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12 小时
An Asteroid Has a 1-in-77 Chance of Hitting Earth. Here's What It Would Do
On 27 December last year, astronomers using the ATLAS survey telescope in Chile discovered a small asteroid moving away from ...
1 天
DNA Confirms Orcas Hunted Great White Sharks for Livers
For the first time, DNA evidence has confirmed killer whales in Australia hunted a white shark for its liver. Based on DNA ...
1 天
Creating Electricity From Pulling Apart Tape
Zaps of static electricity might be a wintertime annoyance, but to certain scientists, they represent an untapped source of ...
1 天
Delicate Nanoflower Is Downright Deadly to Bacteria
A carnation-like nanostructure could someday be used in bandages to promote wound healing. Researchers report in ACS Applied ...
1 天
Analysis Identifies Benefits of Cold-Water Immersion
From early ocean dips to ice-cold polar plunges, cold-water immersion is increasingly popular among athletes and wellness ...
1 天
The Copernican Principle: The Foundation of Cosmology
The Copernican principle states that the Earth is not in a special place in the Universe. Us humans are not privileged ...
1 天
Why AI Won't Lead to Mass Unemployment
I'm here to argue that AI is not going to cause a rise in unemployment. I think it's actually increased employment in the ...
4 天
Why the WHO Now Recommends Switching to a Salt Alternative
This week the World Health Organization (WHO) released new guidelines recommending people switch the regular salt they use at ...
4 天
How Do Fish Get Into Isolated Mountain Lakes?
The various ways new fish get into isolated lakes are a microcosm of the complicated ways that life has spread around the globe.
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