Feature
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- Earth
A fresh look at Mount St. Helens
Nearly 30 years after the peak’s major eruption, recovery has just begun.
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Happy 20th, Hubble
Flying observatory’s cosmic portraits continue to capture hearts and minds.
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In Pursuit of the Briefest Beat
Attosecond pulses of light could open electrons’ fast-paced world.
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Stomach’s Sweet Tooth
Turns out taste is not just for the tongue.
- Plants
Losing life’s variety
2010 is the deadline set for reversing declines in biodiversity, but little has been accomplished.
- Physics
Hogan’s noise
A cosmologist suggests a novel way to uncover the nature of spacetime on the smallest scales.
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Weed Killer in the Crosshairs
Concerns prompt reexamination of atrazine’s safety.
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Of Swine and Men
Scientists study H1N1’s past to predict what the virus has in store.
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Quantum on Quantum
Entangled photons validate Feynman’s vision for simulating nature.
