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They looked at samples collected from an air filter, a research station, and the dining table. Three samples revealed a species of bacteria that hadn't been seen on Earth. The menagerie of bacterial and fungal species living among us is ever growing — and this is no exception in low-gravity environments such as the International Space Station. A new study showed that researchers from the US and India working with NASA have discovered four strains of bacteria living in different places on the ISS. Three of these strains were, until now, completely unknown to science. ...

After a four-week WHO investigation in Wuhan, China, one doctor lays out the possible origins of the coronavirus. A lab leak isn't among them.

LOFAR/LOL Survey Astronomers in Europe compiled the most detailed map of black holes to date. Their map of the northern sky shows 25,000 white dots, each representing a supermassive black hole.  The image above may look like a fairly normal picture of the night sky, but what you're looking at is a lot more special than just glittering stars. Each of those 25,000 white dots is an active supermassive black hole. And each of those black holes is devouring material at the heart of a galaxy millions of light-years away — that's how they could be pinpointed at all....