Researchers track origin of one of nature's biggest killers

A mosquito species that is one of the world's leading killers of humans arose more than 7 million years ago on islands in the Indian Ocean, some of which had no mammals of any kind, according to a genetic analysis by Yale ...

'Ring of fire' solar eclipse to dim Africa, Asia

Skywatchers along a narrow band from west Africa to the Arabian Peninsula, India and southern China will witness on Sunday a dramatic "ring of fire" solar eclipse.

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