As another heatwave looks set to scorch the UK, there’s one lesser-known sexual fetish that’s becoming cool. People are dipping their toes into the world of underwater kinks and it’s getting them ...

Spre Key Summary While electric trams are gaining attention again as a carbon-free urban transportation option, ...

Made internationally famous by their use to clean up the Lincoln Memorial pool in Washington, this tech is starting to be used globally.

Biodiesel can reduce emissions, improve fuel-system lubricity and use existing diesel infrastructure. But NACFE’s Messy ...

That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...

Wrist pulse oximeters can look similar, making it hard to decide which one to buy. This in-depth guide covers everything you need to know to find your best fit.

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

Germany’s transformed Ruhr, where a dead river breathes again, can serve as inspiration for other heavily polluted areas of the world ...

Rotting food — millions of pounds of it — remains in an L.A. cold-storage facility damaged in a fire. Residents say the cleanup hasn’t been fast enough.

Haiyang-2E satellite launch marks China’s first step in replacing its aging ocean-monitoring fleet — a generational upgrade ...

Engineers have developed robotic fish that mimic real aquatic life, offering an aquarium experience without the upkeep. These miniature submarines, powered by Arduino and guided by an overhead camera ...