At least 40 seemingly healthy howler monkeys have died in recent months — and scientists are worried it may be a sign they're suffering from one of the new diseases racing across the Americas, like Zika or chikungunya.
President Barack Obama is getting out in front of the fight against the Zika. He's asked Congress for emergency funding to combat the mosquito-borne virus. The money could speed the development of a vaccine, and a much needed diagnostic test for Zika.
A group of scientists are drilling a hole in the floor of the Indian Ocean. One reason why? They think they might be able to find life in the Earth’s mantle, the layer of Earth immediately beneath the crust.
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