Ciência e tal

Rinderpest virus has been wiped out, scientists say

If confirmed, rinderpest would become only the second viral disease - after smallpox - to have been eliminated by humans.

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The eradication of the virus has been described as the biggest achievement in veterinary history and one which will save the lives and livelihoods of millions of the poorest people in the world.

Neandertals blasted out of existence, archaeologists propose

At least three volcanic eruptions about 40,000 years ago devastated Neandertals’ western Asian and European homelands, spurring a rapid demise of these humanlike hominids, says a team led by archaeologist Liubov Golovanova of the ANO Laboratory of Prehistory in St. Petersburg, Russia.

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Modern humans survived because they lived in Africa and on the tip of southwestern Asia at that time, safely outside the range of volcanic ash clouds

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If that scenario pans out, then geographic good luck allowed Homo sapiens to move into Neandertals’ former haunts after a couple thousand years without having to compete with them for food and other resources, as many researchers have assumed.