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Contents
- Mystery Meteorite: The case for (and against) a rock from Mercury
- Hard Times for Theorists in a Post-Higgs World: The Large Hadron Collider’s big success leaves no clear avenue for new physics
- In the Eye of the Tiger: Global spread of Asian tiger mosquito could fuel outbreaks of tropical disease in temperate regions
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Contents
- Cool Jobs: Moved by life: Biologically inspired robots travel — naturally
- Infection time: Disease is more severe when it hits in the morning, at least in mice
- Explainer: Our bodies’ internal clocks: Biological clocks determine hunger, sleepiness and other daily rhythms
The dose required to kill 50 percent of target molecules is 1 (dotted line) for both of these hypothetical HIV drugs. But the steeper slope of the red drug reveals that a very small increase in dose can have a big effect on response. Drugs that attack HIV at points in the virus’s life cycle that involve many molecules have these steep slopes, new research shows.
Credit: C. Bickel/Science © 2011 AAAS
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Even if science can’t make life longer, perhaps a pill can make a long life better
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The gene patenting decision from a plaintiff’s point of view
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With everyday materials, two research teams conceal ordinary objects
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In mating display, male birds match moves to songs
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Coverage of the 2013 American Association for the Advancement of Science meeting
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The Year in Science 2012
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Three-part series on the scientific struggle to explain the conscious self
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Tables of contents, columns and FAQs on SN Prime for iPad
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By Leila Schneps and Coralie Colmez
Review by Janet Raloff
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