A rhythmic power wash for the brain

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11/03/2019 Can forensics help keep endangered rosewood off the black market? Timber traffickers are plundering the world’s forests, but conservationists have a new set of tools to fight deforestation.  Read More Sleep may trigger rhythmic power washing in the brain Strong, rhythmic waves of cerebrospinal fluid wash into the human brain during sleep and may help clean out harmful proteins. Read More A toe bone hints that Neandertals used eagle talons as jewelry An ancient eagle toe bone elevates the case for the use of symbolic bird-of-prey pendants among Neandertals, researchers say. Read More Rules guarding other planets from contamination may be too strict Voluntary international guidelines for visiting the moon, Mars and other places — and for bringing stuff back to Earth — are overly cautious, scientists say. Read More Bird eggs laid in cold climates are darker, which may keep eggs warm A global survey of bird egg color reveals a simple trend: the colder the climate, the darker the egg. Read More Science News is a nonprofit. We depend on our readers to support our journalism. You can help by subscribing for as little as $25. SUBSCRIBE NOW Humans’ maternal ancestors may have arisen 200,000 years ago in southern Africa But new DNA findings on humankind’s maternal roots don’t offer a complete picture of how and when Homo sapiens emerged. Read More Spider webs don’t rot easily and scientists may have figured out why Bacteria key to decomposition can’t get at the silk’s nitrogen, a nutrient needed for growth. Read More New details on immune system ‘amnesia’ show how measles causes long-term damage Measles wages war on cells of the immune system. Now two tallies of the carnage offer even more compelling support for the measles vaccine.   Read More The solar system may have a new smallest dwarf planet: Hygiea New images reveal Hygiea is round, a final criterion for promoting the wee world from asteroid to dwarf planet status. Read More Saharan silver ants are the world’s fastest despite relatively short legs The ants can hit speeds of 108 times their body length per second. Read More Privacy policy  |  Update Profile  | Manage Subscriptions  |   Unsubscribe This email was sent by: Society for Science & the Public 1719 N Street NW Washington, DC, 20036, US