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3 articles from ScienceNOW
Death cap mushroom’s unusual sex life may be key to its rapid spread
True to its name, the death cap is one of the world’s most lethal mushrooms. Each year in the United States, it kills one or two people and sickens many more, mostly those who mistake it for something edible. Its numbers also seem to be increasing; over the past few decades, the species has swept across North America, becoming particularly widespread along the West Coast, and it shows...
News at a glance: Pandemic declarations, job satisfaction in the COVID-19 era, and a nuclear-powered rocket
SPACE FLIGHT
Nuclear rocket eyed for Mars trips
NASA and the Defense Advanced Research Projects Agency (DARPA) plan to launch and test a nuclear-powered rocket engine in space as soon as 2027, the agencies announced last week. Such engines promise higher thrust and efficiency than conventional ones, enabling faster travel times and bigger...
Breathless oceans: Warming waters could suffocate marine life and disrupt fisheries
Sharks are helping scientists probe worrying oxygen declines