To speed deportations, Trump revives rarely used laws
In its hard-driving push to toughen immigration policy, the Trump administration has found an unusual ally: old and at times rarely enforced laws that can be used to further its
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5 of the Biggest Extraterrestrial Impacts That Moved Oceans and Made Moons
Ever wished upon a shooting star? Though beautiful, shooting stars are also signs of the cosmic shooting range through which Earth is currently whizzing. The ammunition consists of countless space
Watch How Male Fiddler Crabs Beat Sand Like a Drum to Attract Mates
Humans love to take liberties when we talk about our heights. But Afruca tangeri fiddler crabs don’t have that luxury. Looking and listening in on the members of this species
Sleep’s Surprising Role in Strengthening Long-Term Memory
One of the most important parts of living a healthy lifestyle is getting a good night’s sleep. Quality sleep can prevent illness, reduce stress, and enhance cognitive function, just to
A Black Hole Awakens in a Distant Galaxy, Producing X-Ray Bursts
Black holes — the supermassive gravitation forces at the center of most galaxies — actually spend much of their time dormant, or essentially asleep. Astronomers have now spotted one not
The Stunning Lyrid Meteor Shower 2025 Peaks This Month — Here’s What to Know
Every April, as winter’s grip finally loosens and the nights grow a little warmer, Earth drifts through a centuries-old cloud of cosmic dust. That’s when the Lyrid meteor shower —
AcrIE7 inhibits the CRISPR-Cas system by directly binding to the R-loop single-stranded DNA
Proceedings of the National Academy of Sciences, Volume 122, Issue 14, April 2025. The CRISPR-Cas system is a well-known adaptive immune system in bacteria, and a prominent mechanism for evading
Unbalanced growth and land overvaluation
Proceedings of the National Academy of Sciences, Volume 122, Issue 14, April 2025. SignificanceAn asset overvaluation (asset price bubble) emerges when the asset price exceeds its fundamental value defined by
An unusual potassium conductance protects Caenorhabditis elegans pharyngeal muscle rhythms against environmental noise
Proceedings of the National Academy of Sciences, Volume 122, Issue 14, April 2025. SignificanceWe present evidence from computational modeling that an unusual K+conductance endows the pharyngeal feeding organ of the
Breaking the mobility–stability dichotomy in organic semiconductors through adaptive surface doping
Proceedings of the National Academy of Sciences, Volume 122, Issue 14, April 2025. SignificanceThis study tackles a fundamental challenge in organic semiconductors (OSCs): the trade-off between carrier mobility and operational
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