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How Life (and Death) Spring From Disorder
...cells on Earth led predictably to the human race. Laws do not, it seems, dictate the course of evolution. The teleology and historical contingency of biology, said the evolutionary biologist...
Tiny Genomes May Offer Clues to First Plants and Animals
...evolution of cell parts. The combination of host and symbiont has allowed Tremblaya to cast off many of its genes, surviving with a genome size once thought to be impossible....
On the Microbial Frontier, Cooperation Thrives
...evolutionary biologist at Harvard University who studies microbes. “The mystery is how can this evolve?” Yeast that can cheat or cooperate allow scientists to study the evolution of cooperation in...
Solution: ‘Evolutionary Math and Just-So Stories’
...certain population structures to accelerate or slow down evolution. Ever since Darwin’s spectacular evolutionary discoveries in the Galápagos Islands, it has become increasingly clear that the process of evolution is...
Biologists Invoke the Past in Modern Bacteria
...study the evolution of the whole complex network that surrounds the EF-Tu hub. “When we think about evolution, we tend to think about it at the level of the organism,...
Did Neurons Evolve Twice?
...study, he thinks he knows why. According to traditional evolutionary biology, neurons evolved just once, hundreds of millions of years ago, likely after sea sponges branched off the evolutionary tree....
Andreas Wagner Pursues the Secrets to Evolutionary Success
...what drives evolution, and he has wondered about evolutionary innovations that seem to lead nowhere — until they suddenly become the next big thing. His most recent book, Sleeping Beauties:...
Dividing Droplets Could Explain Life’s Origin
...just think about droplets like Oparin did, then it’s not clear how evolution could act on these droplets,” Zwicker said. “For evolution, you have to make copies of yourself with...
Chemists Seek Possible Precursor to RNA
...the outcome of biological evolution and a largely undescribed stage of chemical evolution.” My Grandfather’s Ax Scientists have long considered alternative chemistries for RNA, synthesizing molecules with alien components that...