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Dinosaur Bone Study Reveals That Not All Giants Grew Alike
A survey of prehistoric bones reveals that T. rex and some of its cousins had more than one way to reach enormous sizes. Evolution may have preserved that variation in...
How 3D Changes in the Genome Turned Sharks Into Skates
...the evolutionary genomicist José Luis Gómez-Skarmeta assembled a diverse international team of genomics researchers and evolutionary developmental biologists. A team was needed partly because the first step would be to...
Why Insect Memories May Not Survive Metamorphosis
...to an adult brain, the new study provides clues to how evolution made the development of these insects take such a wild detour. “It’s a monumental piece,” said Bertram Gerber,...
New Cell Atlases Reveal Untold Variety in the Brain and Beyond
...organ. How these cells are distributed and are related to one another suggests many intriguing ideas about the evolution of the mammalian brain. Last month, in another landmark contribution to...
A Multitalented Scientist Seeks the Origins of Multicellularity
...when those identities are not well represented,” explained Extavour, an evolutionary geneticist who in 2014 became the first Black woman to win tenure in the biological sciences at Harvard’s Faculty...
When Did Nature Burst Into Vivid Color?
...former postdoctoral adviser John Wiens, an evolutionary ecologist at the University of Arizona, combed through research encompassing hundreds of millions of years of evolutionary history to offer a scientific answer...
Solution: ‘Are Genes Selfish or Cooperative?’
...considered. As I said before, evolution is ruthlessly, incorruptibly meritocratic. If such phenomena exist, they do so because they are either evolutionarily neutral, or perhaps possess other advantages for the...
New Hybrid Species Remix Old Genes Creatively
...extent of hybrid ancestry in the genome has far outpaced our progress in understanding its evolutionary impact,” wrote Molly Schumer, an evolutionary biologist at Stanford University, and her colleagues in...
Bacteria Sacrifice DNA Repair for Better RNA
Preserving its DNA ought to be a cell’s top priority. But bacteria slow their DNA repair to a crawl in favor of proofreading gene transcripts. Evolution is a game of...