How our bodies react when we use social media—and when we stop

Butterflies declined by 22% in just 2 decades across the US

Reasons veterans are especially hard-hit by federal cuts

A 1930s movement wanted to merge the US, Canada and Greenland

Philly's street fentanyl contains a chemical called BTMPS used in plastic

Radioisotope generators − the 'nuclear batteries' that power faraway spacecraft

Chewing gum is plastic pollution, not a litter problem

Email signatures are harming the planet and could cost people their lives

How to learn a new language like a baby

A new discovery of quina scrapers in China from the Middle Paleolithic challenges the long-standing notion that while ancient people in Europe and Africa were inventing new tools during that era, people of East Asia stuck to basic stone tools that remained unchanged for thousands of years

Problematic Paper Screener: Trawling for Fraud in the Scientific Literature

Daylight saving time and early school start times cost billions

NOAA's public weather data powers the local forecasts on your phone and TV

A fiscal crisis is looming for many US cities

Some tech leaders think AI could outsmart us and wipe out humanity. I’m a professor of AI – and I’m not worried

An inert and unreactive gas, xenon, may be a candidate for treating Alzheimer’s disease, suggests a new study in mice

Do aliens exist? We studied what scientists think

Countries spend huge sums on fossil fuel subsidies – why they're so hard to end

Recovering priceless audio and lost languages from old decaying tapes

Medical treatments devised for war can quickly be implemented in US hospitals

Why community pharmacies are closing – and what to do if yours shutters

South Africa's history uncovered: the 1k-year gap they don't teach in school

Parents can soon use QR codes to reveal heavy metal content in baby food

Can you get sunburnt or UV skin damage through car or home windows?

Why the WHO has recommended switching to a healthier salt alternative

Whalesong patterns follow a universal law of human language, new research finds

Canadian human-study research establishes gut biome restoration diet – new study

Alliance between Meta and Trump is likely to create informational, economic, and geopolitical conflicts around the world

Carbon dioxide has been regulating Earth’s climate for hundreds of millions of years – new study

How Britain got its first internet connection (2015)

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