
Research backs human role in extinction of mammoths, other mammals
Radiocarbon analysis of the decline and extinction of large mammals in the Americas lends support to the idea that hunting by humans led to the animals' demise - and backs the generally accepted und ... more
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Alaskan soil thaw sends carbon directly back into atmosphere
Samples of permafrost soil from deep below the ground in an Alaskan tunnel are providing new clues in the quest to understand what exactly happens as northern regions of the world warm and begin to ... more
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'The war of tomorrow will begin in space': Macron
UN watchdog calls on Iran to urgently allow 'long overdue' uranium stockpile verification
How drones are altering contemporary warfare
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'Hypercarnivores' kept massive ancient herbivores in check
When the largest modern-day plant-eaters - elephants - are confined to too small an area, they devastate the vegetation. So 15,000 years ago, when the herbivores like the Columbian mammoth, mastodon ... more
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Ancient babies boost Bering land bridge layover
University of Utah scientists deciphered maternal genetic material from two babies buried together at an Alaskan campsite 11,500 years ago. They found the infants had different mothers and were the ... more
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Failing to account for climate change in mining land reclamation may cost billions
Researchers at the University of Waterloo are warning that plans to reclaim mined land risk failure and could cost industry and government billions in future cleanup costs if they do not take into a ... more
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Elephants boost tree losses in South Africa's largest savanna reserve
Protected areas, such as nature reserves and national parks, play a crucial role in sheltering wildlife, such as African elephants, from hunting and habitat destruction. But it's important that cons ... more
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Researchers use common 3-D printer to rebuild heart
As of this month, over 4,000 Americans are on the waiting list to receive a heart transplant. With failing hearts, these patients have no other options; heart tissue, unlike other parts of the body, ... more
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