Today's selection of science news. Links are normally to press releases on EurekAlert (at the bottom end I may also add a couple of newspaper stories). I include quotes from the summary in italics in cases where the title alone doesn't reveal what the story is about. My own thoughts appear without italics if I have any.
astrobiology
Breathing new life into the rise of oxygen debate
researchers modified a well-established conceptual model of marine biogeochemistry so that it could be run over the whole of Earth history, and found that it produced the three oxygenation events all by itself.
conservation
Spying on hippos with drones to help conservation efforts
A new UNSW study has shown that using a drone to film hippos in Africa is an effective, affordable tool for conservationists to monitor the threatened species' population from a safe distance, particularly in remote and aquatic areas.
Credit: Victoria Inman
light and life
Oxygen [requirement] shaped the evolution of the eye
bio-inspired
Insects' drag-based flight mechanism could improve tiny flying robots
environment
Floral foam adds to microplastic pollution problem: Study
climate change
Greenland ice losses rising faster than expected
Could we cool the Earth with an ice-free Arctic?
citizen science
School citizen science project dramatically improves children's knowledge of UK mammals
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From the news media:
bird flu comeback in the UK, reports the Guardian
Wednesday, December 11, 2019
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