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DNA Has Four Bases. Some Viruses Swap in a Fifth.
...Baltimore County. “It really speaks to the adaptability of the genetic alphabet,” Romesberg said. Researchers have long been intrigued by the possibility that evolution could have gone in a different...
The Year in Biology
...once believed, and researchers are still trying to fathom their significance in evolution. The Evolution of Multicellular Bodies The lush, abundant complexity of life on Earth owes its existence...
Geometric Analysis Reveals How Birds Mastered Flight
...their mechanical counterparts. “Evolution has created a far more complicated flying device than we have ever been able to engineer,” said Samik Bhattacharya, an assistant professor in the experimental fluid...
Record-Breaking Robot Highlights How Animals Excel at Jumping
...humans. “We got muscles from our great-great-great-great-great-great-great backboneless ancestors,” Sutton said. “Changing fundamental properties of bits is really hard for evolution.” Had there been more evolutionary pressure to jump really...
Geneticist Awarded Nobel Prize for Studies of Extinct Human Ancestors
Svante Pääbo has been awarded the 2022 Nobel Prize in Physiology or Medicine for studying our extinct ancestors’ DNA. The geneticist and evolutionary anthropologist Svante Pääbo has won this year’s...
How Genes Can Leap From Snakes to Frogs in Madagascar
...the world, the scientists reported in April in a paper in Molecular Biology and Evolution that this gene has somehow traveled from snakes to frogs at least 50 times all...
She Finds Keys to Ecology in Cells That Steal From Others
...organisms that eat their neighbors to get ahead. But in the systems studied by the theoretical ecologist Holly Moeller, an assistant professor of ecology, evolution and marine biology at the...
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...