Tim Vernimmen / Knowable Magazine

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These fossilized foraminiferan shells, dating back 35 to 45 million years, were found in Tanzania. They all belong to species that are now extinct. The largest are about half a millimeter in diameter.
海洋

作者：Tim Vernimmen / Knowable Magazine

illustration of brain and rabbit
健康

作者：Tim Vernimmen / Knowable Magazine

"A white-headed capuchin (Cebus capucinus) eating a fruit, sticking its tongue out.More of my pictures of animals:"
野生动物

作者：Tim Vernimmen / Knowable Magazine

An earwig with eggs.
科学

作者：Tim Vernimmen / Knowable Magazine

A ribosome in action. As messenger RNA passes through the ribosome (center left), other RNA molecules (bottom left) bring in amino acids that match the instructions in the mRNA. These amino acids are then joined together into a new protein (top right). But might these trusty little protein-making workhorses come in more than one flavor?
生物学

作者：Tim Vernimmen / Knowable Magazine

An old female rhesus macaque eats alone on the island of Cayo Santiago. As female macaques age, the size of their social network shrinks.
科学

作者：Tim Vernimmen / Knowable Magazine

amphibian parents
科学

作者：Tim Vernimmen / Knowable Magazine

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