Archive: 4/12/2006

Why do some queen bees eat their worker bee's eggs?

Worker bees, wasps, and ants are often considered neuter. But in many species they are females with ovaries, who although unable to mate, can lay unfertilized eggs which turn into males if reared. For some species, such as ...

dateDec 04, 2006 in
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New Clues to How Sex Evolves

Sex is a boon to evolution; it allows genetic material from parents to recombine, giving rise to a unique new genome. But how did sex itself evolve? Researchers at the Department of Energy's Lawrence Berkeley National Laboratory ...

dateDec 04, 2006 in
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Lunar Leonid Strikes

Meteoroids are smashing into the Moon a lot more often than anyone expected. That's the tentative conclusion of Bill Cooke, head of NASA's Meteoroid Environment Office, after his team observed two Leonids hitting the Moon ...

dateDec 04, 2006 in Astronomy
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Cities change the songs of birds

By studying the songs of a bird species that has succeeded in adapting to urban life, researchers have gained insight into the kinds of environmental pressures that influence where particular songbirds thrive, and the specific ...

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Smashing the time it takes to repair our bones

New research by Queensland University of Technology is helping scientists better understand how bone cells work and may one day lead to the development of technology that can speed up the time it takes to heal fractured and ...

dateDec 04, 2006 in Other
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