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African grasslands expanded 5 million year earlier than previously thought, molecular fossils suggest

AI‑designed viruses are a test of whether biosecurity can keep pace

Drug-carrying nanoparticles shrink venous malformations by 70% in mice

Models of glacial collapse in Antarctica improve predictions of sea-level rise

Unsupervised free time increases the likelihood that adolescents will engage in violent behavior, 21-country study finds

What it's like to discover an ancient Egyptian tomb, and the race against time to preserve it

Ultrafast flash Joule heating significantly reduces MXene manufacturing time

Space travel doesn't affect the strength of heart muscle cells, study finds

Graphene nanowrinkles could reshape electricity in future ultrathin devices

A dying star offers a rare glimpse of how the universe recycles its raw materials

Putting out wildfires: How peat restoration has reduced fire risk in Indonesia's tropical forests

Fast-moving wildfires may prevent western forests from recovering

Pain isn't the point: European viper venoms may have evolved to subdue prey

Greener processing cuts cost of novel material for water decontamination

Wars between nations face persistent escalation risk, decades of conflict data suggest

Novel polymer membrane design improves high-purity hydrogen separation

First supernovae may have seeded rocky planet building blocks 100 million years after the Big Bang

Soil-dwelling myxobacteria reveal five new classes of bioactive compounds

A $10 soil test goes global with virtual reality training for farmers

Europe's worst medieval flood highlights risk of successive extreme events

DNA research highlights the genetic vulnerability of Asian elephants

Severe weather now a key predictor of where bird species occur in North America

An open-source tool for automated consolidation of lipid data

Sugar swap simplifies production of promising targeted cancer therapies

Cutting traffic pollution alone could worsen Taiwan's haze

Stellar stream beyond Milky Way offers new tool to map dark matter

Genetic switch could help tomatoes produce fruit in cold weather

Negotiation is a routine part of daily life, not a rare high-stakes event

Single synthetic peptide forms electrically polarized, self-healing hydrogel

Claim that science is becoming less disruptive challenged after years-long publication delay

Microbes turn CO₂ into protein and vitamin B9 at commercially viable prices

Study demonstrates that restricting short-term rentals improves housing affordability

AI tool could help veterinarians track heart disease more precisely

History, not age, determines the genomic importance of ancient trees

Tourists rush to Mount Etna as Italian volcano erupts

New frog species discovered in the Amazon's flooded forests

Satellite constellations could create spiraling space debris

Credit ratings can shape corporate financial decisions

Skies darken as solar eclipse heads south from Arctic to Spain

Chemical fingerprints reveal hidden binary pasts of massive stars

Fertilizer made from local rocks could help feed hungry in Africa

Radiation vest tested on NASA moonshot can cut astronauts' exposure in solar storms, study suggests

Ancient penguin fossils offer new window into Antarctica's changing climate

New evidence helps solve how earliest birds took flight

Californians are twice as likely as Louisianans to be childfree—but demographics tell more of the story

What if there's a star inside a black hole?

Rangers and scientists map vulnerable reefs in the remote Groote Archipelago

Hybrid bioprinter creates capillary networks narrower than 10 micrometers

Q&A: Deploying AI to create proteins never before seen in nature

Oxytocin nudges distrustful men to invest 15% more in anonymous trust game