News
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Enzyme is target in parasite
The flatworm that causes the tropical disease schistosomiasis may be vulnerable to drugs that neutralize an essential enzyme in the parasite.
By Nathan Seppa -
PhysicsPas de deux for a three-scoop particle
Physicists have discovered the first particle containing one member of each of the three families of quarks.
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Health & MedicineLinking stress and senility
A gene that's active in the brain may help explain why emotional stress seems to increase a person's likelihood of getting Alzheimer's disease.
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EarthIcebergs can be biological hot spots
Icebergs carry nutrients from the land and shed them into the sea, nourishing life in the frigid waters near Antarctica.