Aviation start-ups and the Trump administration want to replace helicopters with electric aircraft, but the new vehicles still have to pass arduous tests before the public can use them.

Despite widespread support in polls, the number of people who actually go through with the practice remains very small.

By studying fungal microfossils in 66-million-year-old rock samples from the Denver Basin in Colorado, Johns Hopkins University microbiologists have confirmed that the dinosaur-killing asteroid impact triggered a worldwide fungal takeover, and uncovered a second, previously unknown ecological crisis just before it.

The post Fungi Bloomed Twice around End-Cretaceous Mass Extinction appeared first on Sci.News: Breaking Science News.

Paleontologists have described a new species of bipedal shuvosaurid archosaur from New Mexico, shedding light on a group of creatures that roamed North America during the Triassic period, more than 200 million years ago.

The post Toothless, Bipedal Crocodile Relative Lived in New Mexico 212 Million Years Ago appeared first on Sci.News: Breaking Science News.

The American Federation of Teachers recommended “no screens” at all for those in second grade or younger, and no A.I. chatbots for students in elementary school.

Companies say it’s a better way to dispose of the Cold War-era material — and fix a shortage of nuclear fuel. But the plan has also faced criticism from nonproliferation experts.

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An analysis of oil export data offers clues about which nations have benefited from higher prices, and which have lost a lot of revenue.

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A new wave of start-ups are trying to harvest emissions-free energy from inside the Earth, but the industry still faces significant challenges.

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