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Tiny bits of organic matter bobbing at the ocean’s surface...

Rivers shape life on Earth. They deliver water, sediment, and...

Scientists analyzing sediment scraped from a rugged ridge nearly three...

A fast belt of westerly winds that helps shape summer...

Wild tomatoes rooted on the raw lava of Fernandina and...

As wild chimpanzees grow older, they tend to back away...

Obesity is rare among Hadza hunter‑gatherers in Tanzania, Tsimane forager‑farmers...