In mammals, a flood of hormones tells cells to develop male or female features. But a new study of gender-bending chickens reveals that birds may be different. They have an additional way of determining whether they appear male or female: Individual cells may be able to do it.
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Half-Hen/Half-Rooster Shows Cells Can Decide Sex
Posted: March 10th, 2010, 11:00pm CST
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Half-Rooster/Half-Hen Helps Unlock Sex Mystery
Posted: March 10th, 2010, 11:00pm CST
In mammals, a flood of hormones tells cells to develop male or female features. But a new study of gender-bending chickens reveals that birds may be different. They have an additional way of determining whether they appear male or female: Individual cells may be able to do it.
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Lonely Wolverine Seeks West Coast Mate
Posted: March 10th, 2010, 1:21pm CST
It isn't a personal ad: A male wolverine, dubbed "Buddy" by researchers, has been found in Tahoe National Forest in California. A wolverine has not been spotted in the state for some 90 years. No one can figure out just how Buddy got there, but as mating season approaches, this little guy could feel lonelier than ever.
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Vaccinating Kids Helps Adults Avoid Flu
Posted: March 10th, 2010, 7:52am CST
Researchers studying isolated communities in Canada showed that immunizing children against influenza lowered flu rates among unvaccinated adults by 60 percent.