HindustanTimes Tue,23 Dec 2014

Life and Universe

New intra-vaginal ring may prevent HIV in women

A new easy-to-use intra-vaginal ring filled with an anti-retroviral drug could be extremely effective at preventing the deadly HIV in women, a new study has found.

Mars rover finds no sign of methane, telltale sign of life

NASA’s Mars rover Curiosity has come up empty-handed in its search for methane in the planet’s atmosphere, a gas that on Earth is a strong indicator of life, officials said on Thursday.

Hydrogen fuel harnessed directly from sunlight?

Gary Moore, a chemist with Berkeley Lab’s Physical Biosciences Division, said that they’ve developed a method by which molecular hydrogen-producing catalysts can be interfaced with a semiconductor that absorbs visible light.

How marine life adapts to acidification of oceans

A study into marine life around an underwater volcanic vent in the Mediterranean, may hold the key to understanding how some species will be able to survive the acidifying of sea water should anthropogenic climate change continue.

NASA to launch 'controversial' Asteroid Redirect Mission

NASA is on a lookout for a asteroid in space, which is circling the Sun and is passing close to Earth. The US space agency has proposed that the rock should neither be too big nor too small and should be about 7-10 metres in diameter.

'Comet of the century' might fizzle out before reaching Sun’s orbit

The comet C/2012 S1 ISON, described by some as “the comet of the century,” has fizzled completely, and it is probable that it may disintegrate at or before reaching perihelion, according to new findings.

Planets' overheating into boiling Venuses seems easier than believed

Astronomers have claimed that it may be easier for a planet to overheat into searing uninhabitable ‘runaway greenhouse’ stage than previously believed.

Brown dwarf `capable of giving birth to planet`

Brown dwarfs believed to be ‘failed stars,’ by researchers, could have the ability to give birth to planets. Brown dwarfs are believed to be built in a way similar to creation of stars.

NASA receives ideas on how to deal with asteroids on collision course with Earth

NASA has been flooded with more than 400 suggestions on how to find asteroids that are on a collision course with Earth. Some suggestions were there to help relocate a small asteroid orbiting a moon for future study.

World's first trip to Moon's South Pole planned for 2016

The world's first mission to the South Pole of the Moon to install a permanent telescope on the lunar surface, to aid professional and amateur researchers, has been announced.

Mars mission not for pride, we mean business: ISRO

As India prepares to launch its Rs. 450 crore mission to Mars this year, a top space official says the country's first martian odyssey – that has attracted some criticism – is not just for pride but for undertaking 'meaningful research'.

Gas cloud being `stretched like spaghetti` as it swings past black hole

Recent observations of the galactic center have revealed that parts of the in-falling gas cloud, which was detected in 2011, have already swung past the black hole at the heart of our Milky Way.

Mystery behind Earth’s core still unresolved

A new study suggests that the differences between the east and west hemispheres of the Earth’s core are explained by the way iron atoms pack together.

Carnivorous dinosaurs roamed Nagasaki 84 million years ago

Two preserved tooth fragment fossils of a prehistoric meat-eater dinosaur were discovered in a layer of earth, which is about 84 million years old, on the Nagasaki Peninsula.

NASA’s game changing composite cryogenic fuel tank tested

NASA has recently completed a major space technology development milestone by successfully testing a pressurized, large cryogenic propellant tank made of composite materials.
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