Hybrid Butterflies High in the Sierra

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High in the Sierra Nevada mountains, a new species of butterfly has emerged as a hybrid of two existing species. It is the first time that this type of species formation has been shown in animals, according to the report published online Dec. 1 in Science Express.


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All News summaries for December 01, 2006

Economists' new research shows positive effects of minimum-wage increases

55 minutes ago | User rating: not rated yet
(PhysOrg.com) -- As various states consider minimum wage increases, and with Democratic Presidential nominee Barack Obama proposing that the minimum wage be increased and indexed to adjust for cost-of-living increases, researchers ...

Study: No gender differences in math performance

2 hours ago | User rating: not rated yet
We've all heard it. Many of us in fact believe it. Girls just aren't as good at math as boys. But is it true? After sifting through mountains of data - including SAT results and math scores from 7 million students who were ...

Plant steroids offer new paradigm for how hormones work

2 hours ago | User rating: not rated yet
Steroids bulk up plants just as they do human athletes, but the playbook of molecular signals that tell the genes to boost growth and development in plant cells is far more complicated than in human and animal cells. A new ...

Prevailing theory of aging challenged in Stanford worm study

3 hours ago | User rating: not rated yet
Age may not be rust after all. Specific genetic instructions drive aging in worms, report researchers at the Stanford University School of Medicine. Their discovery contradicts the prevailing theory that aging is a buildup ...

UC Santa Barbara chemist goes nano with CoQ10

3 hours ago | User rating: not rated yet
If Bruce Lipshutz has his way, you may soon be buying bottles of water brimming with the life-sustaining coenzyme CoQ10 at your local Costco.
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