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Leksell Gamma Knife 4C courtesy of Smoothape/Wikimedia Commons Years of surgeries and medications were unable to stop Sultan Kosen’s runaway growth.

That is a main finding of a report , three years in the making, published Wednesday by a team of 12 scientists who study hormone-altering chemicals. [More]

The extreme weather, including a near-record number of tornadoes , in 2011 forced the debate of the impact of climate change on severe weather to resurface. [More]

“He caresses every bottle like it’s the first one he’s had, saying it ain’t love, but it ain’t bad.” - Ani DiFranco [More]

At the height of the drought that gripped the southeastern United States between 2005 and 2007, the water level of the massive reservoir that provides Atlanta's drinking water dropped 14 feet below normal.

Giant squid in ice; courtesy of Fir0002/Wikimedia Commons Giant and colossal squid can grow to be some 12 meters long . But that alone doesn’t explain why they have the biggest eyeballs on the planet. At 280 millimeters in diameter, colossal squid eyes are much bigger than those of the swordfish, which at 90 millimeters, measure in as the next biggest peepers.

Researchers have designed the first theoretical model that describes the occurrence of multiple solitary optical waves, referred to as dark photovoltaic spatial solitons. The findings by Yuhong Zhang, a physicist from the Xi'an Institute of Optics and Precision Mechanics of the Chinese Academy of Science, and his colleagues is about to be published in the European Physical Journal D

Predator-prey interactions are often viewed as evolutionary arms races; while predators improve their hunting behaviors and their ability to sneak up on their prey, the prey improve upon their abilities to detect and escape from their predators. The problem, of course, is that there is a trade-off between maintaining vigilance – the attention necessary to be consistently aware of others in the environment takes quite a bit of physical and mental energy – and doing all the other things that an animal must do, such as finding its own food.

Key concepts [More]

Who's been munching my galaxy? Right now, all across the planet, millions of people are engaged in a struggle with enormous implications for the very nature of life itself. Making sophisticated tactical decisions and wrestling with chilling and complex moral puzzles, they are quite literally deciding the fate of our existence.

What was he thinking? An All State insurance ad [More]

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A little more than three years ago a medical team from Berlin published the results of a unique experiment that astonished HIV researchers. The German group had taken bone marrow--the source of the body’s immune cells--from an anonymous donor whose genetic inheritance made him or her naturally resistant to HIV.

Our earliest invertebrate ancestors did not have brains. Yet, over hundreds of millions of years, we and other vertebrates have developed amazingly complicated mental machinery

By Richard Valdmanis and Simon Akam FREETOWN/DAKAR (Reuters) - On a recent mission pursuing pirate fishermen off Sierra Leone's coast, the head of the Fisheries Protection Unit found himself adrift on the high seas with six crew after their rented motorboat ran out of fuel. "We started rationing the food and water," Victor Kargbo said