'Dinosaur asteroid' wrought springtime devastation

'Dinosaur asteroid' wrought springtime devastation
The time of year that a giant rock hit Earth 66 million years ago may have been a critical factor.
Jonathan AmosScience correspondent@BBCAmoson Twitter Image caption, Artwork: The asteroid hit what is now the Gulf of Mexico but its effects were global Scientists can't pinpoint the exact year tha… [+4532 chars] Read More



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