Biology in the News


Secrets of Smell: Different Nose Parts for Stinky, Sweet   National Geographic - October 4, 2011
Hot spots aid brain, "exciting, disturbing" study hints.

How man 'lost his penile spines'   BBC - March 10, 2011
Scientists believe men once had small spines on their genitalia such as those found in chimpanzees, cats and mice. Analysis of the genomes of humans, chimpanzees and macaques indicates that a DNA sequence thought to play a role in the production of these spines have been deleted in humans, but has been preserved in other primates. It suggests another genetic deletion may have led to the expansion of specific regions of the human brain.

Scientists pinpoint link between light signal and circadian rhythms   PhysOrg - December 29, 2010
Scientists who work in this field, known as chronobiology, have identified the genes that direct circadian rhythms in people, mice, fruit flies, fungi and several other organisms. However, the mechanisms by which those genes interact with light in the organism's environment have not been well understood.

Your Hair Reveals Whether You're a Morning Person   National Geographic - August 23, 2010

Biology May Not Be So Complex After All, Physicist Finds   Science Daily - March 20, 2010

'Glow-in-the-Dark' Sperm Sheds Light on Reproductive Biology, Sexual Selection and Speciation   Science Daily - March 20, 2010

How a Man Produces 1,500 Sperm a Second   National Geographic - March 19, 2010



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