To cut their wastes to nearly zero, circular cities are launching projects to repair, reuse and recycle virtually everything.

Some hydrogels are made of natural polymers. Jell-O is a good example. It contains a natural polymer called gelatin. Other ...

When water droplets take on an electric charge, rain can become corrosive and start to eat through bridges, cars and more, ...

Dark matter isn’t the universe’s only “missing” matter. Distant bursts of radio waves have now turned up vast, faint gas ...

This five-story-tall waterfall in Antarctica gets its blood-red color from the same reaction that creates rust.

Alison Pearce Stevens is a former duck wrangler, beekeeper and forever science geek who specializes in writing about science and nature for kids. She lives in the Midwest with her husband, their kids ...

Douglas Fox is a freelance journalist who writes about life, earth and Antarctic sciences. His stories have appeared in Scientific American, National Geographic, Esquire, Virginia Quarterly Review, ...

Avery Elizabeth Hurt is lucky that as a science journalist she gets to indulge her love of science and her insatiable curiosity. She writes articles and books about science and social issues for both ...

The Arizona honeysweet can beat the heat using evaporative cooling to keep its leaves up to 13 degrees C (23 degrees F) ...

Leaves of the Arizona honeysweet can turn on evaporative cooling to keep the plant up to 13 degrees C (23 degrees F) cooler than the surrounding air.