US begins review that could eventually lead to PVC ban

The US Environmental Protection Agency (EPA) on Thursday announced a review that could eventually lead to the end of PVC plastic production—impacting everything from records to rubber ducks.

An out-of-Africa story hiding in our DNA

"Who are we and where do we come from?" This quintessential question has intrigued humanity for millennia. Currently, the "Out-of-Africa (OOA) theory" is prevailingly accepted regarding the origin of modern humans, as a line ...

NASA's Fermi mission sees no gamma rays from nearby supernova

A nearby supernova in 2023 offered astrophysicists an excellent opportunity to test ideas about how these types of explosions boost particles, called cosmic rays, to near light-speed. But surprisingly, NASA's Fermi Gamma-ray ...

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