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Prehistoric tool made from elephant bone is the oldest discovered in Europe

Kenya's big cats under pressure: Cattle are pushing lions away

Compact electron accelerator offers new approach for treating PFAS-contaminated water

Ultrafast light switches use atomically thin semiconductors for rapid optical control

A novel dual-chemical looping method for efficient ammonia synthesis

New method creates acinar cells involved in formation of pancreatic cancer

A wild potato that changed the story of agriculture in the American Southwest

Iron Age dental plaque reveals Scythians consumed milk from horses and ruminants

Balkan wild rivers in steady decline: Study

Meteorologists blame a stretched polar vortex, moisture, lack of sea ice for dangerous winter blast

Radio telescopes on the moon could let us observe dozens of black hole shadows

Unified framework sorts spacetime fluctuations for quantum-gravity experiments

Metal clumps in a quantum state: Physicists place thousands of sodium atoms in a 'Schrödinger's cat state'

Massive black hole mystery unlocked by researchers

Studying massive and mysterious young protostars with Hubble

Filming ICE is legal but exposes you to digital tracking. Here's how to minimize the risk

From ancient Rome to today, war-makers have talked constantly about peace

I research the harm that can come to teenagers on social media. I don't support a ban

Despite its steep environmental costs, AI might also help save the planet

Two-dimensional materials expand options for next-generation terahertz quantum devices

Scientists design molecules 'backward' to speed up discovery

US forests store record carbon as natural and human factors combine

Q&A: Wildfire in protected Northwest forests highlights need for strategy updates

Old diseases return as settlement pushes into the Amazon rainforest

Chiral phonons create orbital current via their own magnetism

Grains of sand prove people—not glaciers—transported Stonehenge rocks

Safeguarding the Winter Olympics-Paralympics against climate change

Rushing a major strategy announcement can be a mistake for new CEOs

EAST achieves new plasma confinement regime using small 3D magnetic perturbations

World's first high-resolution global leaf chlorophyll map can closely track plant health

Key protein can restore aging neural stem cells' ability to regenerate

Largest canine gut microbiome catalog reveals hundreds of new bacterial strains

How European city life is continually rewriting insect DNA

World's oldest rock art holds clues to early human migration to Australia

Velocity gradients prove key to explaining large-scale magnetic field structure

Bird retinas function without oxygen—solving a centuries-old biological mystery

Critical Atlantic Ocean currents kept going during last ice age, microfossils suggest

2.6-million-year-old Paranthropus fossil expands early hominin range

Quantum-enabled proteins open a new frontier in biotechnology

Some dogs can pick up hundreds of words—do they learn like children?

The world is in water bankruptcy, UN scientists report—here's what that means

Legs made for a Mars landing

Engineered nanobodies improve respiratory defenses in preclinical study

Too much entanglement? Quantum networks can suffer from 'selfish routing,' study shows

Neanderthals took reusable toolkits with them on high-altitude treks through the Alps

Astronomers discover a companion cluster to Czernik 38

Fossil shorebirds reveal Australia's ancient wetlands lost to climate change

New research suggests people make sense of disturbing places together, not alone

Rising house prices are hollowing out the middle class in big cities, according to expert

When and how to plant fruit trees for 'fruitful' results