When we look at Earth from space today, we see a pale blue dot—a planet dominated by vast oceans that shimmer under the sunlight. But what if our oceans weren't always blue? According to recent ...
Researchers use synthetic biology to reverse-engineer modern nitrogenases and rebuild their possible ancestors, in an effort to better understand the origins of life on Earth and beyond.
On land, the Isthmus of Panama kicked off possibly the greatest natural experiment in the history of life on Earth. In the water, this narrow strip of land did something completely different: it ...
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