Scientists have simulated the formation of fatty acids, a key component in the assembly of Earth's first cells, offering insight to the earliest moments of life on the planet and also how life might start on other planets.
Inviting a Neanderthal for the holidays? That's a good thing. Not only are they the closest relative of homo sapiens, but there's a bit of Neanderthal in almost all of us. New findings about them are coming thick and fast.
But the researchers caution that their work can not shed much light on sexual orientation in humans. “We’re trying to steer way from one explanation to rule them all.”
DNA evidence shows that H. sapiens mated with groups including Neanderthals and Denisovans. It even reveals evidence of other “ghost populations” — groups who are part of our genetic code, but whose fossils we haven’t found yet.
Cat Bohannon’s book, “Eve,” looks at the way women’s bodies evolved, and how a focus on male subjects in science has left women “under-studied and under-cared for.”
While the extinction affected some flower species, most lineages survived and the catastrophe may have helped them become a dominant form of plant life.
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