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Great white sharks grow a whole new kind of tooth for slicing bone as they age

New ABF crystal delivers high-performance vacuum ultraviolet nonlinear optical conversion

Chip-sized optical amplifier can intensify light 100-fold with minimal energy

Laser beam flips a ferromagnet's polarity without heating the material

This virus infects most of us – but why do only some get very ill?

Cell surface glycoRNA clusters found to fine-tune growth factor signaling

Ancient humans were seafaring far earlier than we realised

New light-based platform sets the stage for future quantum supercomputers

Cells' built-in capacity limit for copying DNA could impact cancer treatment

Huge fossil bonanza preserves 512-million-year-old ecosystem

AI tool AlphaGenome predicts how one typo can change a genetic story

Networks Hold the Key to a Decades-Old Problem About Waves

Low-Earth orbit is just 2.8 days from disaster

Hotspots and patterns behind deliberately lit fires in Western Australia identified

Saltwater crocodiles traveled thousands of miles across the Indian Ocean, genetic study suggests

Rocket or arugula? How a salad vegetable mapped the Italian diaspora

Land use acts as a 'silent amplifier' of extreme heat, AI-driven study reveals

Ultrathin kagome metal hosts robust 3D flat electronic band state

Dark stars could solve three major mysteries of the early universe

Too many students drop out of A-levels—here's how to help them pick a course they'll stick with

South Africa's floods turned deadly because Limpopo wasn't prepared—how to prevent a repeat

AI bosses are creating a new problem for gig workers

The Rubin Observatory will rapidly detect more supernovae

Scientists turn tumor immune cells into cancer killers

These nanoparticles could destroy disease proteins behind dementia and cancer

Deep-sea fishing could undermine valuable tuna fisheries

The infant universe's 'primordial soup' was actually soupy, study finds

How dangling moss saves blue manakin eggs from hungry birds

The hidden reason cancer immunotherapy often fails

Intermittent black hole jets are like a 'cosmic volcano'

What the new nutrition guidelines get wrong about fat

Why long COVID brain fog seems so much worse in the U.S.

NASA testing advances space nuclear propulsion capabilities

443-million-year-old fossils reveal early vertebrate eyes

Study calls for action to combat online abuse of sportswomen

Atlantic nurse sharks show faster growth patterns in Biscayne Bay than nearby Bimini, Bahamas

Probing the jet base of M87's supermassive black hole

Multiwavelength monitoring reveals distant blazar OP 313's behavior

Multiwavelength analysis finds no radio pulsations from accreting millisecond X-ray pulsar

The first direct observation of a liquid charge density wave

Ann Druyan on How NASA’s Golden Records Got Made

Study raises red flags over long-term effectiveness of popular weight loss drugs like Ozempic

Brain cancer may begin years before doctors can see it

A few extra dollars may go a long way for survey researchers, study shows

The fat you can’t see could be shrinking your brain

Jurassic amphibian with a projectile tongue named as a new species

Warming may increase mangrove methane emissions—but these forests remain powerful carbon sinks

40 years after Challenger disaster, NASA faces safety fears on Artemis II

Health advocates sound alarm as EPA works to loosen pollution standard

We're getting closer to growing a brain in a lab dish