科学与环境
Meet '89 Backpack', the chunky bear who won Fat Bear Week
来源: feeds.bbci.co.uk · 发布于
The brown bear, described by one supporter as having both the "chonk and the badonk", will shortly enter hibernation, which can last up to six months.
The brown bear, described by one supporter as having both the "chonk and the badonk", will shortly enter hibernation, which can last up to six months.
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'Special surprise' as rare moth found in nature reserve for first time
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90-plus-day spaceflights linked to higher rates of hip fractures in astronauts
New research has found that the rate of hip fractures among astronauts after spaceflights lasting more than 90 days was higher than after shorter spaceflights or among people who were not astronauts. The findings of the study in Mayo Clinic Proceedings, underscore the need for ex
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Even high-altitude forests in Switzerland are now weakened by frequent droughts, making natural hazards more dangerous
Due to global warming, Swiss forests are now at a tipping point where summer droughts are overwhelming trees' tolerance and resilience, scientists have shown. That bodes ill for people in the valleys because forests form their first line of defense against avalanches, rockfalls,
Phys.org - latest science and technology news stories ·
Women astronauts use social media to reframe science and femininity together
Why can't a flight jacket be pink or purple? That was the question a 6-year-old girl asked her mother, Kellie Gerardi, an astronaut, researcher and science communicator. When Gerardi later appeared in a TV interview wearing a bright pink flight jacket, her daughter pointed to her
Phys.org - latest science and technology news stories ·
Wildlife tracking to fill gaps in monarch migration research
Every fall, monarch butterflies fuel up on nectar from Iowa's fall-blooming wildflowers before embarking on an extraordinary migration from North America to Mexico. But the pathways they take and how their travel is affected by weather and other factors have largely remained a my
Phys.org - latest science and technology news stories ·