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A 47-year study reveals when fitness and strength start to fade

Microplastics are undermining the ocean’s power to absorb carbon

One cure for sour feelings about politics: Getting people to love their hometowns

How street vendors and waste pickers can help cities manage growth

Mysterious iron 'bar' discovered in famous nebula

Living together with differences: Mathematical model shows how to reduce social friction without forcing consensus

Growing up alongside deadly fires inspired me to study them—and fight flames with swarms of drones

Neutral stances on hot topics can damage your reputation, study finds

Scientists map key oceanic unknowns in climate interventions

Sri Lanka unveils a rare purple star sapphire claimed to be the biggest of its kind

How mountain terraces have helped Indigenous peoples live with climate uncertainty

Tightening the focus of subcellular snapshots: Combined approach yields better cell slices for cryoET imaging

New study reveals global patterns of plant intrinsic water-use efficiency

Shrinkflation: Smaller products hurt some households more than others—and can be bad for business

AI tools speed development of antibody probes to see activity inside living cells

Study finds albumin, the most abundant blood protein, acts as a shield against deadly fungal infections

Two-step genome editing enables creation of full-length humanized mouse models

'Cosmic clock' reveals Australian landscapes' history and potential future

Low-income and diverse communities face 33% more air pollution in major northern cities, UK study shows

Your Infant Knows Exactly What Your Baby Talk Means

Science is best communicated through identity and culture: How researchers are ensuring STEM serves their communities

Health care electronics are booming—here's how to make them more sustainable

A new 'crystalline sponge' for drug discovery: APF-80 illuminates materials design

Decoded rules of microRNA strand selection reveal conserved, programmable features

Engineers just created a “phonon laser” that could shrink your next smartphone

Video: Why 'basic science' is the foundation of innovation

Detecting single-electron qubits: Microwaves could probe quantum states above liquid helium

Elastic strain engineering boosts green hydrogen production with affordable catalysts

Early humans relied on simple stone tools for 300,000 years in a changing east African landscape

Spaceflight Prematurely Ages Astronauts

How scientists are turning thyme into precision medicine

NASA’s Artemis II mission to the moon is inching toward the launch pad

AI maps the hidden forces shaping cancer survival worldwide

Horses can smell human fear when we sweat

The world's first room-temperature continuous-wave UV-B laser diode on a sapphire substrate

Sniffing out cancer: Trained dogs can detect hemangiosarcoma by scent

Saturday Citations: Super-Earths; superagers; how we grieve pets

Mobile app forecasts future vineyard climates to help winegrowers adapt to change

US to repeal the basis for its climate rules: What to know

Why the Do Nothing Challenge Doesn’t Do Much for You

Things to know about the High Seas Treaty as it takes effect

NASA's new moon rocket heads to the pad ahead of astronaut launch as early as February

Study separates human and hydrological causes of nitrogen loss in Mississippi Basin

Higher farm productivity linked to slower growth in agricultural emissions

Molecule deposition on 2D materials promotes defect healing and quality restoration

World models could unlock the next revolution in artificial intelligence

This gene may determine if dogs have long, floppy ears or short, study ones

Tiny earthquakes are revealing a dangerous secret beneath California

An endocrinologist tried a new weight loss approach and it worked