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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....
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...
Inside Deep Undersea Rocks, Life Thrives Without the Sun
...the microbes that inhabit it. It has also offered a glimpse into the very origin and evolution of life, both on this planet and possibly elsewhere in the universe. Life...
Males Are the Taller Sex. Estrogen, Not Fights for Mates, May Be Why.
...evolutionary anthropologist at the University of Lethbridge who co-authored a 2016 review paper on the evolution of human height variation with Gert Stulp of the London School of Hygiene and...
How Two Became One: Origins of a Mysterious Symbiosis Found
...insights into how a complex evolutionary interaction between vastly different partners can play out on a molecular and developmental level over evolutionary time.” Partnering for Success Of the roughly 12,000...
Scientists Pin Down When Earth’s Crust Cracked, Then Came to Life
New data indicating that Earth’s surface broke up about 3.2 billion years ago helps clarify how plate tectonics drove the evolution of complex life. In 2016, the geochemists Jonas Tusch...