Tuesday, May 13, 2025

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extinction

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How many children does each person need to have to keep humanity from becoming extinct?

To sustain human survival, the global replacement fertility rate needs to be raised from 2.1 to 2.7 children per woman.

Humans escaped extinction 41,000 years ago thanks to... sunscreen

Ancient Homo sapiens not only used ochre to paint in caves, but also applied it to their bodies as a natural sunscreen.
Rare animal species discovered, extinct for nearly 100 years in Xuan Lien forest

According to the results of DNA analysis, the Muntjac species was believed to have become extinct nearly 100 years ago. Since 1929, this species has not been seen alive in the world.