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Why Nature Prefers Couples, Even for Yeast
...think about two biological sexes: male and female. But before the evolution of eggs and sperm — before sex cells began to diverge in size and form — organisms couldn’t...
Artificial Intelligence Finds Ancient ‘Ghosts’ in Modern DNA
...not only for identifying unforeseen ghosts but also for uncovering the very faded footprints of the evolutionary processes that have shaped who we’ve become. The Search for Subtle Signatures Current...
Some Animals Have No Microbiome. Here’s What That Tells Us.
...own microbiome. “The human microbiome has completely driven a lot of our thinking about how microbes work,” said Tobin Hammer, a postdoctoral researcher in ecology and evolutionary biology at the...
Extra DNA May Make Unlikely Hybrid Fish Possible
...a few dozen million years ago. The evolutionary paths of paddlefish and sturgeons diverged 184 million years ago. For those fish to breed is more like “if a human came...
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...