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HindustanTimes Fri,19 Dec 2014

Kaleidoscope

Arctic was warmer 3.5 million years ago

It was a time when research suggests that the level of carbon dioxide in the atmosphere was roughly comparable to today's--leading to the conclusion that relatively small fluctuations in carbon dioxide levels can have a major influence on Arctic climate

Japanese deep-sea probe finds signs of lost continent in Atlantic Ocean

The Japan Agency for Marine-Earth Science and Technology and the Brazilian government have made an announcement about the discovery of a large mass of granite on the seabed off the coast of Rio de Janeiro, suggesting a continent may have existed in the Atlantic Ocean.

Gene study reveals Europeans are one big family

A modern-day person living in the United Kingdom shares ancestors with people across the Europe, according to a new study of the DNA of people from across the continent.

Intelligent robots may overtake humans by end of 21st century

The idea of superintelligent machines may sound like the plot of a sci-fi movie, but many experts say that the idea isn't far-fetched. But nearly every computer scientist will have a different prediction for when and how the singularity will happen.

Plants speak to each other

The study showed that sprouting chilli plants grow more successfully next to a friendly neighbour, in this case an adult basil plant, but when placed them beside fennel, germination is held back.

Bats may recognize voices of friends they hang out with

Nocturnal, fast-moving animals like bats could have an ability to recognize certain vocal aspects of others from their social groups, a study has claimed.

New species of meat-eating dinosaur discovered in northwest China

Fossil remains found in northwestern China have been identified as a new species of small theropod, or meat-eating, dinosaur.

Fish genome offers insights into evolution of land vertebrate

Genome sequencing of a historic fish has provided a wealth of information on the genetic changes that accompanied the adaptation from an aquatic environment to land.

Meat-eating dinosaurs hatched eggs like brooding birds

Researchers examining fossil eggs have found that a small, bird-like North American dinosaur incubated its eggs in a similar way to brooding birds – bolstering the evolutionary link between birds and dinosaurs.

Male moths go by first impressions when choosing mates

Researchers have found explanation to why there are so many hybrid moths in nature. An international team of researchers, including an entomologist at the University of California.

Lady flies decide who will father their babies based on male mating effort

Females of Euxesta bilimeki, a species of Ulidiid fly, adopt a unique behavior that probably helps them bias male paternity – they expel and then consume male ejaculate after copulation.

Ice Age hunter-gatherers ate fish cooked in ceramic pots

Hunter-gatherers living in glacial conditions used pots for cooking fish, a new study suggests.

Comet, not asteroid, killed dinosaurs 66mn years ago

Most scientists agree that an asteroid impact killed off almost all the dinosaurs and some 70 percent of all other species living on Earth about 66 million years ago.

Bumblebees copy each other when looking for best flowers

Though they have tiny brains, bees are smart enough to pick out the most attractive flowers by watching other bees and learning from their behaviour, scientists have found.

Chimps, gorillas, other apes struggling to survive

The multibillion-dollar trade in illegal wildlife - clandestine trafficking that has driven iconic creatures like the tiger to near-extinction - is also threatening the survival of great apes, a new U.N. report says.
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