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Materials Science

Scientists re-create a legendary golden fabric from clam waste

Sea silk, once spun from endangered clams, may make a comeback — thanks to discarded fibers from a farmed species. The find could sustainably revive a fading art.

Paleontology

Dinosaur teeth reveal some were picky eaters

The enamel in fossilized teeth reveals some dinosaurs preferred to eat particular parts of plants.

Environment

See how aerosols loft through Earth’s sky

Aerosols, small particles in the atmosphere like salt and dust, may offset a third of human-caused climate warming, though their influence is fading.

Health & Medicine

How flossing a mouse’s teeth could lead to a new kind of vaccine

Flu viruses often enter the body through mucous tissue in the nose.