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Rapid Oxygen Changes Fueled an Explosion in Ancient Animal Diversity
...doubt that it was an extraordinary and baffling episode in evolutionary history. Why animal life got more complicated in such a hurry remains a burning question for paleontologists and evolutionary...
Can New Species Evolve From Cancers? Maybe. Here’s How.
...like a life cycle,” Aktipis said. “There’s nothing special about the evolutionary process that says you can only evolve a life cycle if you are a branch of the evolutionary...
Fossil DNA Reveals New Twists in Modern Human Origins
...these events are happening all over the place,” said Aylwyn Scally, an evolutionary geneticist at the University of Cambridge. “But it’s very hard for us to pin down any particular...
The Year in Biology
...evolution successfully merged two or more cells into one, and about the mathematical tricks that organisms use in the course of their embryonic development. Advances in genome analysis helped to...
Nature Versus Nurture? Add ‘Noise’ to the Debate.
...as unexplained environmental effects. Which leaves noise — the random tremors and fluctuations that characterize any biological process. “Noise is inevitable,” said Andreas Wagner, an evolutionary biologist at the University...
Out-of-Sync ‘Loners’ May Secretly Protect Orderly Swarms
...synchronize can actually be harnessed by evolution to turn it into an interesting strategy?” Tarnita asked. Since evolution could potentially act on that process, “that might actually be really meaningful...
Cosmic Rays May Explain Life’s Bias for Right-Handed DNA
Cosmic rays may have given right-handed genetic helixes an evolutionary edge at the beginning of life’s history. If you could shrink small enough to descend the genetic helix of any...
A Physicist’s Approach to Biology Brings Ecological Insights
...yeast to experimentally probe the evolution of cooperative behavior. Over time, Gore was seduced by what he calls ecology’s “big, beautiful theories” for how living beings can exist in complex...
The Mystery of Mistletoe’s Missing Genes
...she said. Ditching energy-expensive traits, or “reductive evolution,” is a common theme in parasites, Meyer noted. And losing this particular suite of proteins might have additional benefits. Because complex I...