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Wednesday, February 9, 2011
Tuesday, February 8, 2011
Dragon or what?Ancient Snake's Hidden Leg
A new look at a 95-million-year-old fossilized snake reveals two tiny leg bones attached to the slithery creature's pelvis. A three-dimensional reconstruction of the bones could help researchers understand how snakes evolved to lose their legs.
The fossil, found in Lebanon, is from an era when snakes had not yet completely lost the hind limbs left by their lizard ancestors. A much-debated question among paleontologists is whether these leggy ancestors were ocean-living swimmers or land-dwelling burrowing lizards.
The new finding takes a stab at answering that question.
Monday, February 7, 2011
Allergies Linked to Lower Brain Cancer Rate in Study
If you suffer from allergies, take heart: Researchers say you may be less likely to develop a tough-to-treat brain cancer, possibly because your immune system is on high alert.
It's not clear how this knowledge might improve prevention or treatment of brain cancer, but the study's lead authorsaid the findings pave the way for further research.
Sunday, February 6, 2011
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