Thursday, September 10, 2020

science news 10.9.2020

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

Where rocks come alive: NASA's OSIRIS-REx observes an asteroid in action

In Ancient Giant Viruses Lies the Truth Behind Evolution of Nucleus in Eukaryotic Cells
An exchange of genetic material that occurred when ancient giant viruses infected ancient eukaryotic cells could have caused the nucleus of the eukaryotic cell--its defining feature--to form. This is what Professor Masaharu Takemura of the Tokyo University of Science, Japan, suggests in his recent review in the journal Frontiers in Microbiology. His novel evolutionary hypothesis opens doors to new discussions on the subject, bringing us one giant step closer to the truth.


earth

New insight on the impacts of Earth's biosphere on air quality
specifically, this is about the distribution of isoprene in the atmosphere.


conservation

At least 28 extinctions prevented by conservation action in recent decades

New tracking technology will help fight rhino poaching in Namibia
Interactive software that 'reads' and analyzes footprints left by black rhinoceroses can be used to monitor the movements of the animals in the wild, giving conservationists a new way to keep watch on the endangered species and help keep it safe from poachers, according to a Duke University-led study.



A black rhino and its calf; new technology that uses software to read unique features of rhino footprints will help protect this endangered species from poachers.
Credit: WildTrack


nanoworld

A chemist from RUDN developed a new type of one-molecule thick water-repellent film
... out of calixarenes, to be specific.


biomedical

More cats might be COVID-19 positive than first believed, study suggests


sustainability

Do as plants do: Novel photocatalysts can perform solar-driven conversion of CO2 into fuel


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From the news media:

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