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London: Planetary scientists have claimed that a number of miniature black holes pass through the Earth almost everyday, but without causing any damage to our planet. And, unlike the larger black holes — formed by the collapse of giant stars — that swallow everything even light, past a certain point, the mini... 

The first shots in the war that eventually led to the hack of Sony’s online services were fired in January, when a team of hackers unlocked the PlayStation 3. In the five months since, one of the key hackers was sued, then settled with Sony – reluctantly, as it turned out. George “Geohot” Hotz found... 

In the study publishing in the online open access journal PLoS Biology, the subjects’ sense of justice was challenged in a two-player monetary fairness game, and their brain activity was simultaneously measured using functional magnetic resonance imaging (fMRI). When bidders made unfair suggestions as to how to share... 

Altruism, the sacrificing of individual gains for the greater good, appears at first glance to go against the notion of “survival of the fittest.” But altruistic gene expression is found in nature and is passed on from one generation to the next. Worker ants, for example, are sterile and make the ultimate altruistic... 

Weizmann Institute scientists have added another piece to the obesity puzzle, showing how and why a certain protein that is active in a small part of the brain contributes to weight gain. Prof. Ari Elson and his team in the Institute’s Molecular Genetics Department made the discovery when working with female mice that... 

Scars on the jaw of a 120-million-year-old marine reptile suggest that life might not have been easy in the ancient polar oceans. The healed bite wounds were probably made by a member of the same species. Such injuries give important clues about the social behaviour of extinct sea creatures from the time of dinosaurs. The... 

NEW DELHI: If you’ve been dreading the start of work on phase III of the Delhi Metro network with the resultant traffic snarls, here’s a piece of good news. The Delhi Metro Rail Corporation (DMRC) will use the latest international technology in the third phase to save time and trouble during construction. Said... 

The Antarctic ozone hole is about one-third to blame for Australia’s recent series of droughts, say scientists. Writing in the journal Science, they conclude that the hole has shifted wind and rainfall patterns right across the Southern Hemisphere, even the tropics. Their climate models suggest the effect has been notably... 

Six teams from different engineering colleges of India were awarded in a competition organised by international space agency NASA, for designing a lunar vehicle for future expeditions to the moon. The competition – Great Moonbuggy Race competition challenges the students to tackle several engineering problems dealt... 

ScienceDaily (Apr. 21, 2011) — Astronomers using NASA’s Galaxy Evolution Explorer may be closer to knowing why some of the most massive stellar explosions ever observed occur in the tiniest of galaxies. “It’s like finding a sumo wrestler in a little ‘Smart Car,’” said Don Neill, a member...