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Black-Hole Hunter Takes Aim at Einstein
...hole has been identified, but her explorations are far from over. Theories of galactic evolution suggest that the Milky Way’s center should have lots of old stars and almost no...
New Clues About ‘Ambigram’ Viruses With Strange Reversible Genes
...California point to an unexpected answer. The ambigrammatic property of narnaviruses may be a clever mechanism of self-preservation, one that could significantly expand the picture of viral evolution and suggest...
Biodiversity May Thrive Through Games of Rock-Paper-Scissors
...Darwin’s initial work confirmed that competition is indeed a major evolutionary force. There is just one problem. If simplistic competition were the only evolutionary force, then after billions of years,...
The Complex Truth About ‘Junk DNA’
...when the geneticist and evolutionary biologist Susumu Ohno used it to argue that large genomes would inevitably harbor sequences, passively accumulated over many millennia, that did not encode any proteins....
Self-Assembly Gets Automated in Reverse of ‘Game of Life’
...evolution does not work toward a specific goal. “It’s not like there was an ideal form of a fish or something which was somehow shown to evolution, and then it...
The Year in Biology
...perspective propels our story beyond biological evolution and into planetary evolution. It reveals that all we are and will ever know is ultimately part of Earth’s carbon cycle. And isn’t...
Are Genes Selfish or Cooperative?
...I believe it fully deserves the scientific success it has achieved. I’m also an admirer of Dawkins’ writing on evolution. I would go so far as to say that if...
New Bird Species Arises From Hybrids, as Scientists Watch
...organisms’ evolutionary histories. Some of those clues suggest that interbreeding plays a larger role in the formation of new species than previously thought. But the issue remains contentious: Hybridization has...
Scientists Debate the Origin of Cell Types in the First Animals
...data is demonstrating that it’s not like that,” said Iñaki Ruiz-Trillo, an evolutionary biologist at the Institute of Evolutionary Biology in Barcelona. The first complication came in 2008, when a...