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HindustanTimes Thu,28 Aug 2014

Kaleidoscope

Megavolcanoes might have led to pre-dinosaur mass extinction

Scientists believe that a set of gigantic volcanic might have eruptions resulted in the disappearance of half of earth’s species 200 million years ago.

Male lions use dense vegetation for ambush-style hunting

Male lions have long been believed to be dependent on females when it comes to hunting, but new evidence suggests that they are, in fact, very successful hunters in their own right.

Early human skull reveals signs of inbreeding

Skull pieces of an early human buried for 100,000 years at Xujiayao in the Nihewan Basin of northern China exhibit a now-rare congenital deformation that indicates inbreeding might well have been common among our ancestors.

DNA of extinct frog revived

A team of scientists has revived and reactivated the genome of an extinct Australian frog.

Brown bears descendants of ancient polar bears, not modern

Brown bears on an Alaskan archipelago are the descendants of an ancient polar bear population rather than being the ancestors of modern polar bears, a new study has found.

Amplified greenhouse effect turning Earth's northern latitudes greener

A NASA-funded study has found that temperature and vegetation growth at Earth's northern latitudes now increasingly resembles those lusher latitudes to the south.

Viviparous lizards facing mass extinction due to global warming

Globally it has been observed that lizards with viviparous reproduction (retention of embryos within the mother's body) are being threatened by changing weather patterns.

Glaciers will melt faster than ever and loss could be irreversible, warn scientists

Research by European-funded scientists has shown that 20 percent of the Canadian Arctic glaciers may have disappeared by the end of this century, which would amount to an additional sea level rise of 3.5cm.

Tropical forests more resilient to global warming than thought

Tropical forests are less likely to lose biomass plants and plant material - in response to greenhouse gas emissions over the twenty-first century than may previously have been thought, a study has suggested.

Male marsupials are right-handed while females prefer left

And a study has found that handedness in marsupials is dependent on gender i.e. males are right-handed and females preferred using their left hands.

Ganga, Yamuna losing dolphins critically

The major habitats of aquatic life in the Ganga, Yamuna and Ghagra rivers in Uttar Pradesh are critically degrading, a survey by the state Forest Department and World Wide Fund for Nature (WWF) India has revealed.

Nearly 3,000 wild great apes stolen each year: UN

Almost 3,000 great apes are killed or captured in the wild each year because of rampant illegal trade, according to a new UN report released Monday that voiced fears for their survival.

King Richard's heart preserved in frankincense, mercury

Scientists have found that the heartof King Richard I, who ruled England in the 12th-Century, was preserved using mercury, mint and frankincense, among other sweet-smelling plants.

Astronomers spy possible baby planet in stellar womb

Scientists have found what they believe to be a planet-in-the-making that is still gathering material left over from the formation of its parent star.

Sea predator that lived 270 million years ago had fanged, spiral jaw

New scans of a mysterious fossil has suggested that an ancient sea predator had a spiraling whorl of teeth that acted as a lethal slicing tool.
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