Diatom / bacteria symbiosis in the open ocean explored

A study published in PNAS Nexus explores the genetic expression of a photosynthetic symbiont that lives inside an abundant marine organism. Marine diatoms are responsible for one-fifth of global photosynthesis. Many are coastal, ...

Jumbo problem: Sri Lanka's battle with plastic pollution

Heart-wrenching images of revered elephants and cattle eating plastic in Sri Lanka have prompted politicians to toughen pollution laws, but skeptical conservationists warn past bans were repeatedly ignored.

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