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Health & MedicineDownside of red-hot chili peppers
In the wild, a culinary kick comes with risks to the plant.
By Susan Milius -
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PhysicsMicroswimmers make a splash
Researchers study secrets of microbes' locomotion and how to mimic that movement.
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HumansSeeking genetic fate
Personal genomics companies offer forecasts of disease risk, but the science behind the packaging is still evolving.
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LifeMosquito fish count comrades to stay alive
New experiments indicate that mosquito fish can count small numbers of companions swimming in different groups, an ability that apparently evolved to assist these fish in avoiding predators.