Hundreds of dead dolphins wash up on French coast

A record number of dead dolphins have washed up on France's Atlantic coast in recent months after being caught in fishing nets, the Pelagis observatory said Thursday.

Swifts are born to eat and sleep in the air

"They eat and sleep while they are airborne. This is something that researchers have believed since the 1950s, and now we can show that it's true", says Anders Hedenström, professor at the Department of Biology at Lund University.

Toiling in Delhi's toxic smog

Delhi is the world's most polluted major city, its toxic cocktail of vehicle fumes, dust and smoke choking the chaotic metropolis and taking years off its 20 million inhabitants' lives.

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