Mutation may cause early loss of sperm supply

Brown University biologists have determined how the loss of a gene in male mice results in the premature exhaustion of their fertility. Their fundamental new insights into the complex process of sperm generation ...

Mar 02, 2015
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A gene for brain size only found in humans

About 99 percent of human genes are shared with chimpanzees. Only the small remainder sets us apart. However, we have one important difference: The brain of humans is three times as big as the chimpanzee ...

Feb 27, 2015
popularity 4.6 / 5 (16) | comments 12

Mystery of the reverse-wired eyeball solved

From a practical standpoint, the wiring of the human eye - a product of our evolutionary baggage - doesn't make a lot of sense. In vertebrates, photoreceptors are located behind the neurons in the back of the eye - resulting ...

Feb 27, 2015
popularity 4.8 / 5 (13) | comments 4

Pancreatic cancer has four distinct types

Researchers have found that pancreatic cancer can be split into four unique types, a discovery that could be used to improve treatments for the disease, according to a study published in Nature.

Feb 27, 2015
popularity 4.8 / 5 (5) | comments 1