Top stories: jellyfish stingers, eye-swimming microbots, and a metric system makeover

Science | AAAS | 11/9/2018 | Staff
vegdancer18 (Posted by) Level 3
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Angel Yanagihara of the University of Hawaii in Honolulu has spent 20 years studying the venom of box jellyfish and working to prove their stings exact a much higher death toll than commonly assumed. Her studies have illuminated the biochemical mechanism behind the venom’s lethality and helped her develop products that she says counter the sting. But other jellyfish researchers say different compounds in the venom are the real killers, and that different remedies—or none at all—are better for victims.

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Although the thought of a swarm of microbots burrowing into an eyeball is enough to make people squirm, researchers have developed spiral-shaped robots tiny enough to pass through dense eyeball jelly. The bots could one day provide a more targeted method of delivering medicine to hard-to-reach areas at the back of the eye.

Le - Grand - K - Cylinder - Alloy

Le Grand K, a gleaming cylinder of platinum-iridium alloy and the world’s standard for mass for more than 130 years, is set to be dethroned as the one, true kilogram. The 26th General Conference on Weights and Measures convenes...
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