Warnings that humanity is heading toward its own disappearance have shifted from the fringes of science fiction into mainstream research and public debate. Instead of vague prophecies, scientists now ...
The new research reveals that small population sizes and random birth patterns raise the fertility threshold needed to avoid extinction. (Rafael A.S. Martins/Unsplash via Courthouse News) (CN) — With ...
The new research reveals that small population sizes and random birth patterns raise the fertility threshold needed to avoid extinction. Human populations need at least 2.7 children per woman – a much ...
Polar bears are struggling to survive as sea ice dwindles. Scientists have now quantified how much climate change has drastically reduced the number of polar bears living in Canada's Hudson Bay, the ...
SpaceX CEO Elon Musk has dramatically declared on social media that declining global fertility rates "will lead to mass extinction of entire nations." This isn't the first time the SpaceX CEO, known ...
AZ Animals on MSN
Why some animals never stop growing—and what stops them
Most animals reach an adult size, then spend the rest of their lives maintaining it. After maturity, their energy goes toward ...
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