Uncategorized
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Space
Artemis I finally launched. Here’s what it means for human spaceflight
The launch of NASA's Artemis I is a giant step toward sending humans back to the moon and heading beyond.
By Liz Kruesi -
Humans
The world population has now reached 8 billion
In a first, the global population surpassed this milestone on November 15, according to a projection from the United Nations.
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Animals
A clam presumed extinct for 40,000 years has been found alive
The reappearance of living Cymatioa cooki clams places it among a group of back-from-the-dead creatures dubbed the Lazarus taxa.
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Neuroscience
New brain implants ‘read’ words directly from people’s thoughts
In the lab, brain implants can translate internal speech into external signals, technology that could help people who are unable to speak or type.
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Plants
Why dandelion seeds are so good at spreading widely
Individual seeds on a dandelion flower are programmed to let go for a specific wind direction, allowing them to spread widely as the wind shifts.
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Health & Medicine
Why daylight saving time just isn’t healthy, according to science
Shifting daylight from morning to evening puts our bodies and brains out of sync with our clocks, leading to a host of potential health issues.
By Meghan Rosen -
Forever chemicals’ health risks are getting attention
Editor in Chief Nancy Shute discusses the health dangers of PFAS chemicals with freelance journalist Melba Newsome.
By Nancy Shute -
Health & Medicine
DNA is providing new clues to why COVID-19 hits people differently
Age, general health and vaccinations can affect how sick people get with COVID-19. So can genes. Here are new hints of what’s going on in our DNA.
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Archaeology
50 years ago, Stonehenge’s purpose mystified scientists. It still does
In 1972, scientists thought Stonehenge may have been a calendar. Today, we still don’t know its purpose, but we have gained insight on its origin.
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Oceans
Sharks face rising odds of extinction even as other big fish populations recover
Over the last 70 years, large ocean fishes like tuna and marlin have been recovering from overfishing. But sharks continue to decline toward extinction.
By Jake Buehler -
Physics
Zapping tiny metal drops with sound creates wires for soft electronics
Wearable medical devices and stretchable displays could benefit from a way to use high-frequency sound to create liquid metal wires.