What device surpassed celebrities and news to become the most searched word on the internet in 2011?

Vera Chan, a Web trend analyst at Yahoo!, in a conference call announced the results of the review now in its 10th year. American Casey Anthony, the woman acquitted of the murder of her young daughter after a highly publicised trial, was No 2.

The alignment of Jupiter, Venus, Mars were visible to the naked eye as their geometrical pattern provided an opportunity to the sky gazers to glance upon the celestial spectacle.

While the United Nations statistics has revealed that around 3,00,000 babies are born worldwide every day, Robert Kyncl, YouTube's head of content, told the Consumer Electronics Show in Las Vegas that in December 2011, 7,00,000 Android handsets were activated every day.Eruption of a large swath of volcanic rock from what region could have triggered off mass extinction on Earth 250 million years ago?

The mass extinction at the end of the Permian geologic period saw the sudden loss of more than 90% of marine species and more than 70% of terrestrial species. It was so severe that it remains the most traumatic known species die-off in Earth’s history.

Serving up meals on red plates or drinking from red cups cuts consumption by about 40%, scientists have found. German and Swiss academics behind the discovery say the colour red may encourage diners to avoid snacking because it is commonly associated with the idea of ‘danger, prohibition and stop,’ the Daily Mail reported.

Jemison, 55, played a key role in setting up the 100-year Starship symposium organised last year by the National Aeronautics and Space Administration (NASA) and the Pentagon's Defence Advanced Research Projects Agency in Florida, US.

The physicist said it is ‘essential’ for man to spread across the galaxy in case Earth is destroyed suggesting that it was ‘almost certain’ that a disaster ‘such as nuclear war or global warming’ would obliterate the planet within a thousand years.

Memory, reasoning and comprehension skills, collectively known as cognitive function, all tend to get worse as we enter middle age, found the study of thousands of Whitehall civil servants. While full-blown dementia is usually confined to old age, the study adds weight to a growing body of evidence suggesting the disease can take decades to develop.

The group of scientists from Switzerland, France, Brazil and the US found that low-level electromagnetic fields at precise frequencies, ranging from 0.1Hz to 114kHz, halted the cancer growth in a small number of patients.

The Milky Way is redder than most spiral galaxies, but when combined with its blue arms, its overall colour is white. The Milky Way’s overall colour is about the shade of white halfway between an incandescent light bulb and the standard spectrum white on a TV.