Five hundred million years ago, the so-called Cambrian "SPICE" event made oxygen levels in the oceans drop dramatically.
Earth Sciences
Jun 21, 2024
1
14
Ice shelves surrounding Antarctica have been melting with increasing speed in recent years. Much of this melting happens from below, as warm water eats away at their bases. This warm water is moved around Antarctica by currents ...
Earth Sciences
Jun 5, 2024
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197
One of Earth's most consequential bursts of biodiversity—a 30-million-year period of explosive evolutionary changes spawning innumerable new species—may have the most modest of creatures to thank for the vital stage in ...
Earth Sciences
Jun 2, 2024
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419
By modifying the genomes of plants and microorganisms, synthetic biologists can design biological systems that meet a specification, such as producing valuable chemical compounds, making bacteria sensitive to light, or programming ...
Biotechnology
May 30, 2024
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1
Nepal's Supreme Court has ordered the government to limit the number of mountaineering permits issued for Everest and other peaks, a lawyer confirmed Friday, just as expeditions prepare for the spring climbing season.
Environment
May 3, 2024
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26
An unusual reduction in the strength of Earth's magnetic field between 591 and 565 million years ago coincided with a significant increase in the oxygen levels in the atmosphere and oceans, according to a paper published ...
Earth Sciences
May 2, 2024
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Dr. Uri Ryb and Dr. Michal Ben-Israel from the Institute of Earth Sciences at the Hebrew University, along with their collaborators, have made an important discovery in Earth sciences. Their study, published in Nature Communications, ...
Earth Sciences
Apr 4, 2024
0
18
From pacemakers to neurostimulators, implantable medical devices rely on batteries to keep the heart on beat and to dampen pain. But batteries eventually run low and require invasive surgeries to replace.
Materials Science
Mar 27, 2024
1
164
If you missed some of our top stories this week, we have you covered. From an underachieving black hole to a new species of fluffy beetle, you can see it all here.
Low oxygen conditions that pose a significant threat to marine life are widespread and increasing in coastal Pacific Northwest ocean waters as the climate warms, a new study shows.
Environment
Mar 20, 2024
3
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