Tiny metal nanoparticles can damage DNA, essentially by triggering toxic gossip.
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In the December 5 Issue:
- TABLE OF CONTENTS
- Climate might be right for a deal: Copenhagen negotiations will take steps toward a climate-stabilizing treaty
- Botanical Whales: Adventures in the Tortugas reveal that seagrass fields need saving too
- Breaking the Speed Limit: Studies examine physiology and technology to better foresee the ultimate edge of human performance
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| :: | Chemistry |
Top Stories | November 20
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A NASA model incorporates how atmospheric aerosols and greenhouse gases interact, yielding better estimates of the gases' warming and cooling effects.
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Trees near high-traffic areas accumulate tiny particles.
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Wet cardboard and food should not share the same air space
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Some cash register receipts offer the potential for relatively large exposures to an estrogen mimic.
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More in Chemistry
Some cash register receipts offer the potential for relatively large exposures to an estrogen mimic.Ada Yonath, Thomas Steitz and Venkatraman Ramakrishnan will share the prize for unmasking the structure of the ribosome. A new analysis suggests that ancient seed plants made a version of the fossilized resin credited to more modern relatives A new study suggests these organisms could have kept oxygen levels low and waters toxic, stalling the evolution of complex life. A new model suggests cells may be more sensitive to their environment than previously thought. |
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Science News
A NASA model incorporates how atmospheric aerosols and greenhouse gases interact, yielding better estimates of the gases' warming and cooling effects.11|21 Issue Links |
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