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Science & Technology:- Web Resources


‘I absolutely believe that scientists should be paid more than they are currently’
If Dr. Venkataraman Ramakrishnan, who shared the Nobel Prize for Chemistry this year with two others for mapping ribosomes at the atomic level, could not entertain the flurry of requests for an interview from the media after he won the …


‘Embed research institutes into varsity campuses’
If the country’s top research institutes are embedded into university campuses, it will give students a direct experience of cutting-edge research from a very early stage, according to Nobel Prize winner Venkatraman …


Oceans absorbing CO{-2} more slowly
The world’s oceans are absorbing less carbon dioxide (CO{-2}), a Yale geophysicist has found after pooling data taken over the past 50 years. With the oceans currently absorbing over 40 per cent of the CO{-2} emitted by human …


High salt intake linked to strokes and cardiovascular disease
Eating high amounts of salt is linked to a significantly higher risk of strokes and cardiovascular disease, states a paper published today in the British Medical Journal.The study looked at the relationship between the level …


‘Green’ plastic engineered
Scientists have successfully bio-engineered polymers, completely bypassing fossil fuel based chemicals. This breakthrough opens the way for the commercial production of ‘green’ plastics. Polymers are molecules found in the form …


Long-distance record for carrying pollen
At just 1.5mm in size, the fig wasp is easily missed. But new research published in the
Proceedings of the National Academy of Sciences reveals it is a world champion among insects. The previous longest recorded distance for …


New blue pigment
Blue is sometimes not an easy color to make. Blue pigments of the past have often been expensive , poisonous or apt to fade (many of the organic ones fall apart when exposed to acid or heat). So it was a pleasant surprise to chemists at …


Controversy over Himalayan glaciers hots up
Water scarcity, which could affect more than a billion people, is the most serious threat that Asia faces from climate change


Worm experiment in outer space
Britain’s aspirations to become a space faring nation inched a little closer recently as thousands of microscopic worms boarded the Atlantis space shuttle at Cape Canaveral for a mission to the international space station. The …


Big step to save rare ducks
British and American conservationists have taken a big step toward saving the world’s rarest duck species, the Madagascar pochard (Aythya innotata), by hatching eight ducklings in captivity, reports said. Their …


Algae can be turned into a hydrogen source
The machinery of photosynthesis can be isolated from certain algae and when coupled with a platinum catalyst, is able to produce a steady supply of hydrogen when exposed to …


Ancient penguin DNA negates ageing method
Penguins that died 44,000 years ago in Antarctica have provided DNA samples that challenge the accuracy of traditional genetic aging measurements, suggesting underestimation by 200 to 600 per …


Birds lose colour vision in twilight
New research at the Lund University Vision Group now shows that the colour vision of birds stops working considerably earlier in the course of the day than was previously believed, in fact, in the …


Materials scientists inspired by bugs’ wings
Insect wings could act as a model for making self-cleaning, frictionless, and superhydrophobic materials. The surfaces of many insect wings have evolved properties scientists only dream of for their creations. …


Unprecedented image of Milky Way galaxy
In celebration of the International Year of Astronomy 2009, NASA’s Hubble and Spitzer Space Telescopes and the Chandra X-ray Observatory collaborated to produce an unprecedented image of the centre of our galaxy. …


Coelacanth discovered in sea off Indonesia
The coelacanth is commonly regarded as having evolved little from prehistoric times and was thought to be extinct until a living specimen was discovered in 1938. A juvenile coelacanth found recently is …

Speaking Of Science


Ants: marching soldiers or disciplined drivers?
At the recently held annual meeting of the Indian Academy of Sciences, Professor Debashish Chowdhury of IIT Kanpur spoke on his work on non equilibrium statistical mechanics, which was inspired by the way ants move about in groups. His lecture, …


Technologies to harvest uranium from sea
There are 4.5 billion tonnes of uranium in sea water, a thousand times more than what is known to exist in uranium mines


Pachauri rubbishes government stand on melting glaciers
A leading climate scientist recently accused India’s environment ministry of “arrogance” over a government report claiming there was no evidence that climate change has caused “abnormal” shrinkage of glaciers in the …


Nano device detects liquids in luggage instantly
Restrictions on liquids in carry-on bags on commercial airliners could become a thing of the past thanks to a revolutionary nano-electric device which detects potentially hazardous liquids in luggage in a fraction of a second, according to a team …


How do elephant seals rest?
Northern elephant seals are long-distance mariners, voyaging for two months to eight months at a time without making landfall. And when they are at sea, they spend up to 90 per cent of their time on underwater dives.The big …



Measles: two-dose regimen a must
15 per cent of children will be susceptible even when they are immunised with a single dose


Can geoengineering schemes fix climate change?
Whatever remedial measure that we undertake now will not affect the climate for the next 20-30 years but will influence the climate only after 2040. The most promising solutions that Prof J Srinivasan, Chairperson of the Divecha Centre for …


High fissile fuel in nuclear submarine lasts long
The protoype is serving as a training centre for the nuclear submarine crew


Drug with dual benefits for heart
A study led by an Indian-origin researcher has found that a drug that raises levels of ‘good’ cholesterol can also help clear clogged arteries in heart patients who are already on standard statin therapy, Oxford University …


Africa may split
Volcanic activity may split the African continent in two owing to a recent geological crack in northeastern Ethiopia, researchers said.. The 60-kilometre split in the Afar region, which was the result of two volcanic eruptions in …


Control of mealy bugs in tamarind

Horticultural Research Station, Thadiyankudisai Perumparai, Dindigul District. Tamil Nadu

 


 


Snows of Kilimanjaro may vanish in 20 years
One of a growing number of isolated remnants of ice spires in the crater of Mount Kilimanjaro in Africa. The snows of Africa’s tallest peak are shrinking rapidly and could vanish altogether in 20 years, due to global warming. …


New technology to improve street lighting
Researchers demonstrated in multiple field tests that, by using a unified system of photometry, a street lighting system can be designed to reduce energy use while maintaining or improving visibility and safety and security. …


Humans, monkeys have similar brain networks
Using “resting state” functional Magnetic Resonance Imaging (fMRI) it was found that human and monkey brains have highly similar brain networks preserved across evolution. Patterns of connectivity were …


Link between land use changes, surface heat
Most land-use changes occurring in the U.S. reduce vegetative cover and raise regional surface temperatures. But conversion of any land to agricultural use results in cooling, even land that was previously forested. …


How corals synchronise release of eggs, sperm
A study into how corals synchronize their release of eggs and sperm shows that corals spawn when regional wind fields are light. When it is calm the eggs and sperm have the chance to unite before they are dispersed. …

Miracle drug saves Aussie baby in world’s first: Doctors

AFP //

The child was born with molybdenum cofactor deficiency, a genetic condition in which a build-up of toxic sulphite causes fits and brain damage, typically killing victims within a few months of birth.

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Hopes of AIDS vaccine breakthrough dashed
The vaccine did not protect those at high risk of HIV infection, such as sex workers and intravenous drug users


Unlikely to be a public health control measure
The results of the Phase III AIDS vaccine trial using a prime-boost (ALVAC and AIDSVAX) vaccine undertaken in Thailand, published in the New England Journal of Medicine (NEJM), show that the vaccine is able to produce 31.2 per cent …


How safe is Madras Atomic Power Station?
Background radiation level at any place depends mainly on terrestrial radiation from natural radionuclides such as uranium, thorium and their decay products and potassium-40 present in soil and on cosmic rays (radiation from outer space). …


Indian scientist disproved U.S. data on methane emission
India’s leading agro-scientist A.P. Mitra had disproved the US government data on emission of methane gas from wet paddy cultivation in the country, Union Minister for Environment and Forests Jairam Ramesh revealed.“The US …


32 new planets discovered
European astronomers have found 32 new planets outside the solar system, adding evidence to the theory that the universe has many places where life could develop. Scientists using the European Southern Observatory telescope did not find …


This year’s rice crops hit by climate change
Once-in-a-lifetime floods in the Philippines, India’s delayed monsoon, and drought in Australia are taking their toll on this year’s rice crops, due to the vulnerability of rice to extreme …


Dinosaurs’ extinction tied to impact off India
A submerged depression west of India that is mined for its oil could be the largest, multi-ringed impact crater in the world. A new study says the impact that caused it may have killed the dinosaurs off 65 million years …


Precious minerals have their origins in space
The extreme heat at which the Earth’s core formed 4 billion years ago must have stripped precious metals from the crust and deposited them in the core. What we mine from the rocks must have come from outer space: a …


Tree leaves are tools to monitor air quality
Tree leaves may be powerful tools for monitoring air quality and planning biking routes and walking paths. Tiny particles of pollution such as iron oxides from diesel exhaust float through the air and stick or grow right into …


Exercise aids memory after brain radiation
Exercise improves memory after whole-brain radiation treatments in rodents. It was found that exercise after radiation prevented a decline in erasable memory in mice — analogous to humans who are treated for brain tumours. …


Project to protect all endangered plants
A lab technician prepares to place seed ‘Musa Itinerans’ into cool storage. Botanists at Britain’s Kew Gardens have collected seeds from 10 per cent of the world’s wild plants, in a project to protect all endangered …

Taste of bubbly lies in COब् and not in the bubbles

AP //

Like the fizz of a soft drink? Thank your tongue’s sour-sensing taste buds.

Twitter makes it to univ curriculum

REUTERS //

Social networking upstart Twitter has made the jump to academia’s hallowed halls, with “tweets” made compulsory writing for would-be journalists at an Australian university.

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Paracetamol dampens vaccine effect in kids: Study

REUTERS //

Giving paracetamol to babies to prevent fever after routine vaccinations may reduce the effect of the shots themselves, Czech scientists said on Friday.

Chat brain-to-brain at the speed of thought

AGENCIES //

Ever wanted to communicate your thoughts without speaking a word? British scientists have created a system for “brain to brain communication”, a development researchers claimed will allow people to send thoughts, words and images directly to the minds of others.

‘Noah’s Ark’ has 10% of world’s plants

AFP //

Botanists at Britain’s Kew Gardens have collected seeds from 10% of the world’s wild plants, their first goal in a long-term project to protect all endangered species, they said on Thursday.

Libraries thriving again, thanks to digital lending

Motoko Rich //

Kate Lambert recalls using her library card just once or twice throughout her childhood. Now, she uses it several times a month.

Scientists discover new cancer gene

ANI //

A research group at the Sahlgrenska Academy has discovered a new cancer gene.

Evolution evidence: New flying reptile ‘identfied’

PTI //

Palaeontologists have identified a new type of flying reptile, providing what they claim is the first clear evidence of an unusual and controversial form of evolution.

Anaemia causing gene ‘discovered’

PTI //

Scientists have discovered a gene which helps to regulate iron and haemoglobin levels, a finding they claim may soon pave the way for treatments for anaemia.

In net age, learning to think in petabytes

Ashlee Vance //

Two years ago, IBM and Google set out to give students access to some of the largest computers. The firms then outfitted the computers with software that net companies use to tackle their toughest data analysis jobs.

Novel ‘patch’ to mend broken hearts

ANI //

Duke University bioengineers have developed a novel way of mending a broken heart – a living “heart patch” that repairs heart tissue damaged by disease.

Radio waves that can ‘see’ people through walls

IANS //

Engineers have developed a wireless network of radio transmitters that can track people moving behind solid walls.

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Cybug: Wired beetle reaches areas where no man can go

PTI //

Scientists have developed the ‘cybug’ which they claim is a key breakthrough that will help them direct the flight of beetles for the first time by remote control.

Tweaked bacteria to mine for gold

AGENCIES //

Researchers have genetically modified a bacterium to make it extract gold from its environment and signal the presence of the precious metal.

Robots to push dead satellites off Earth’s orbit

PTI //

Scientists are considering using German-built robots for clearing rogue satellites from Earth’s orbit or pushing them into outer space.

Lunar bombing a smash hit

Chidanand Rajghatta //

Nasa said the rocket and satellite strike was a success, kicking up enough dust for scientists to determine whether or not there is water on the moon.

In search of water, NASA prepares to bomb the moon

AFP //

NASA is preparing a violent return to the moon on Friday as part of a mission to send a satellite and a rocket booster crashing into the planet’s surface to look for water.

Earth imaging satellite launched from California

AP //

A Delta 2 rocket carrying DigitalGlobe Inc’s WorldView-2 satellite lifted off at 11:51 am local time and arced south over the Pacific Ocean.

Nasa to crash two spacecraft on Moon to locate water

Srinivas Laxman //

Zooming at a velocity of nearly 8,000 kmph, a 2,305 kg Nasa spacecraft known as Centaur will slam onto the south pole of the Moon with such force that it will throw up 350 tonnes of lunar soil and create a 13-ft-crater.

Asteroid to miss Earth in 2036, but could be on collision course in 2068

ANI //

The chances of asteroid Apophis colliding with Earth in 2036 has been reduced, but a new impact possibility of the same asteroid has come up in the year 2068.

Scientists create artificial nerve cell connections with plastic beads

ANI //

The novel approach will help healthy nerve cells form functional contacts with artificial substrates in order to create a paradigm that can be adapted to model systems in which neurons are damaged.

Researchers find evidence of dinosaur cannibalism

IANS //

A researcher has found evidence dating back 70 million years to suggest that a dinosaur preyed on and ate other dinosaurs.

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7 new glow-in-the-dark mushroom species discovered

ANI //

Scientists have discovered seven new glow-in-the-dark mushroom species, increasing the number of known luminescent fungi species from 64 to 71.

Genes linked to brittle bones identified

ANI //

Scientists from University of Western Australia claim to have identified new genes tied to loss of bone mineral density and osteoporosis.

NASA telescope discovers giant ring around Saturn

AP //

The Spitzer Space Telescope has discovered the biggest but never-before-seen ring around the planet Saturn, NASA’s Jet Propulsion Laboratory announced late Tuesday.

Fossils of new herbivorous dinosaur species found in Japan

PTI //

Fossils discovered in Japan have turned out to be those of a new species of plant-eating dinosaur.

Flowering plants may have appeared 180 million years earlier than believed

ANI //

The discovery of a piece of fossilized amber that came from a plant living more than 300 million years ago, has led scientists to suggest that flowering plants may have started to appear a lot earlier than previously believed.

Graphite can mimic iron’s magnetism

ANI //

In an unexpected result, researchers have shown that graphite is a permanent magnet at room temperature because it can mimic iron’s magnetism, and is ferromagnetic.

‘Nobel study’ boosts cancer fight

Bloomberg //

The most intense research has been in cancer, where malignant cells have the ability to divide indefinitely, and in ageing, which occurs in the cells when telomeres are shortened.

Giant size plant fossils discovered near Jodhpur

PTI //

The largest non-carbonaceous plant fossils, 140 times bigger than today’s algae species, have been discovered in western Rajasthan.

Scientists develop rice that requires no cooking

IANS //

Indian scientists claim to have developed a rice variety that requires no cooking, only soaking in water.

Breakthrough in stem cell study may fetch Nobel

AP //

Two Canadian scientists whose discovery of stem cells has paved the way for controversial research could be candidates for the 2009 Nobel Prize in medicine, the winners of which will be announced Monday.

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Earthworms pip humans in top species’ list

ANI //

Christopher Lloyd, the author of ‘What on Earth Evolved?’, examined the entire history of the planet and its life forms to determine the most successful species to have inhabited the earth.

Scientists create ‘artificial ionosphere’ using radio waves

ANI //

An experiment that fires powerful radio waves into the sky has created a patch of ‘artificial ionosphere’. And One of the most obvious results of the experiments is that they can create lights in the sky that are similar to auroras.

Prehistoric site found near UK’s Stonehenge

AP //

Archaeologists have discovered a smaller prehistoric site near Britain’s famous circle of standing stones at Stonehenge; and have named it the ‘bluhenge’.

Female hormone drives male aggression in mice

IANS //

The female hormone oestrogen seems to drive male aggression in mice with the help of certain nerve cells in the brain, a new study led by an Indian American has found.

Past tremors point to future shock

Richard Ingham //

Buried in the squiggles on seismographs, earthquake scientists hope, may be tiny pointers that one day will help them predict when and where a murderous quake will strike.

Moon River, wider than a mile

TOI Crest //

India’s first mission to the moon, Chandrayaan-1 , hit the jackpot when a NASA instrument onboard found the strongest evidence yet of the presence of water on the planet’s only natural satellite.

Who Says It’s a Picnic Up There?

Arun Ram //

We don’t know who the lucky two to fly in Isro’s first manned mission to space in 2015 will be, but we have a fair idea of what life aboard the spacecraft will be as it orbits the earth for a week at an altitude of 274 km.

Gimme Space: Dogfight over the hot seat

Srinivas Laxman //

IAF pilots and Isro scientists make for unlikely adversaries . But there’s a secret war going on between them over who should get right of passage as India prepares to fire off its Rs 12,400-crore manned space mission.

Indian assistance for Sericulture Research Centre in Nepal

PTI //

Indian Embassy in Nepal will provide Rs 204 million for the construction of two buildings of Silk Research Centre.

It’s raining pebbles on recently discovered exoplanet

//

A simulation developed by scientists at Washington University in St Louis has suggested that the atmosphere of the extra-solar planet discovered recently, has components of rock in gaseous form and lava or boiling oceans.

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How plants can rid themselves of pesticide residues

ANI //

In a new study, scientists in China have discovered that a natural plant hormone, applied to crops, can help plants eliminate residues of certain pesticides.

Gene that could lead to new therapies for bone marrow disease identified

ANI //

Scientists from Van Andel Research Institute (VARI) have identified a gene that helps in progression of Myelodysplastic Syndrome (MDS), a bone marrow disease.

New microchip can detect cancer early

IANS //

In a major breakthrough for early cancer detection, Canadian researchers have developed an inexpensive microchip that is sensitive enough to detect the type and severity of the disease.

Five bizarre objects

//

Five bizarre objects

New moons on the horizon

//

Some of the most spectacular new discoveries have been moons or natural satellites – objects that orbit around planets or other bodies, not the sun.

An unfamiliar neighbourhood

Subodh Varma //

Twins separated at birth, illegitimate progeny, violent abductions, villains lurking in the dark. A Bollywood potboiler? Think again – this is Solar System 2.0, writes SUBODH VARMA TIMES INSIGHT GROUP.

Study gives insight into ancestral population of India

PTI //

The first-ever genome-scale analysis of the anthropological history of the Indian people has established that the population is a mixture of two ancestral groups.

 

 

 

 

 

 

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  • Trust no one: how Le Carré's Little Drummer Girl predicted our dangerous world
    Secret interrogations, elaborately staged deceptions, conspiracies and murder ... John le Carré’s murky spy thriller could not be more relevantDavid Cornwell, or John le Carré, as we usually call him, must have been wincing as he viewed the CCTV stills of those two Russian visitors to Salisbury. He was surely shaking his head in dismay as he watched their la […]
  • ‘The streets are haunted’ – Colm Tóibín explores literary Dublin
    The house where Oscar Wilde grew up and where James Joyce was let down, the library where WB Yeats studied … the Irish capital is full with the ghosts of great writersThere is a peculiar intensity about some streets in Dublin that gets more layered the longer you live in the city and the more stray memories and associations you build up. With time, thoughts […]
  • Schadenfreude review – is our zeitgeist a Spitegeist?
    Tiffany Watt Smith’s delightful book, full of jokes and confessions, divides examples of laughing at others’ misfortunes into good and badWhen I interviewed Daniel Craig for his first outing as James Bond, his pecs were ripped, his clothes elegant, his manner intolerably genial. The whole package was that of an alpha male at ease under interrogation by a bab […]
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    The prizewinning poet on the pleasures of Andrea Lawlor, Willie Perdomo and the ‘best novel ever written’The book I am currently readingI’m loving Paul Takes the Form of a Mortal Girl by Andrea Lawlor. It’s pulling at my little queer midwestern heartstrings to read magical Paul navigate desire and friendship in his body that he can change into whatever shape […]
  • The Way Past Winter by Kiran Millwood Hargrave review – a quest to the frozen north
    Sibling love drives this richly imagined adventure from the author of The Girl of Ink and Stars“It was a winter they would tell tales about. A winter that arrived so sudden and sharp it stuck birds to branches, and caught the rivers in such a frost their spray froze. A winter that came and never left.” So begins Kiran Millwood Hargrave’s ode to the frozen no […]

Periodicals Articles Alert

Bachhon ko Nishulk Aur Anivaarya Shiksha Ka adhikaar Adhiniyam 2009, Pratiyogita Darpan,May2010,P.1823-1825 ; E-Kachara Prabandhan: Ek Chunauti Aur Upaye, Pratiyogita Darpan,May2010,P.1832-1834; Vitamin Truths & lies,Reader Digest,May2010,P.52-56; Surface Area and Volume, Education Trend,May210,P.65 ; Metals and Non Metals, Education Trend,May210,P.77; The rise of Nationalism in Europe, Education Trend,May210,P.91; Linear Equations in two variables, Education Today,May2010,P.5-15,Federalism, Sectors of Indian Economy and Water Resources Education Today,May2010,P.16-29 ; Acids, Bases and Salts, Education Today,May2010,P.30; Prehistoric Creatures,Tell Me Why,May2010; Disappearing Herbs,Out Look,May24,2010,P.56

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