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In This Issue
- Silk: Mimicking how spiders make their complex array of silks could usher in a tapestry of new materials, and other animals or plants could be designed to be the producers
- Itch: Scientists trace a new path behind the maddening, unrelenting, screaming desire to scratch
- Half-life (more or less): Physicists are stirred by claims that the sun may change what’s unchangeable—the rate of radioactive decay
- This week's table of contents
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Same Glacier Now
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Here's the same view of that tropical Peruvian glacier photographed when Thompson returned in 2000. A lake of meltwater now occupied what 22 years earlier had been a deep field of flowing ice.
Credit: Ohio State Univ.
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