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Posted: 2019-12-05 19:51:12
www.sciencedaily.com
Shortly after NASA's OSIRIS-REx spacecraft arrived at asteroid Bennu, an unexpected discovery by the mission's science team revealed that the asteroid could be active, or consistently discharging particles into space.
Posted: 2019-12-05 19:51:10
www.sciencedaily.com
In the not too distant future, we can expect to see our skies filled with unmanned aerial vehicles delivering packages, maybe even people, from location to location. Researchers are developing 'digital twins' that combine computational models and machine learning to predict vehicle health and enable...
Posted: 2019-12-05 19:18:03
www.sciencedaily.com
Rats exchange information about danger in a reciprocal fashion, and this information transfer is at least partially mediated by a brain region called the anterior cingulate cortex.
Posted: 2019-12-05 18:06:00
www.sciencedaily.com
According to a much-debated geo-engineering approach, both sea-ice retreat and global warming could be slowed by using millions of wind-powered pumps, drifting in the sea ice, to promote ice formation during the Arctic winter.
Posted: 2019-12-05 16:31:29
www.sciencedaily.com
In an effort to replicate an experiment conducted over a century ago, researchers present evidence confirming at least one single-cell organism -- the trumpet-shaped Stentor roeselii -- exhibits a hierarchy of avoidance behaviors. Exposed repeatedly to the same stimulation, the organism can in effec...