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New AI Strategy Mimics How Brains Learn to Smell
...hierarchical way, leading to a revolution in machine learning and AI research. To teach these nets to recognize objects like faces, they are fed thousands of sample images. The system...
World’s Simplest Animal Reveals Hidden Diversity
...thing because it has no real defined body,” said Michael Eitel, an evolutionary biologist at the Ludwig Maximilian University in Germany. “There’s no mouth, there’s no back, no nerve cells,...
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...
DNA Analysis Reveals a Genus of Plants Hiding in Plain Sight
...of the original naturalists. The rising importance of the theory of evolution to biology altered the purpose of taxonomy. Taxonomy began simply as a way of naming and cataloging organisms...
‘Functional Fingerprint’ May Identify Brains Over a Lifetime
...because those higher-order control regions are in essence what make us who we are. Indeed, brain areas like the frontal and parietal cortices developed later in the course of evolution,...
Evolutionary Math and Just-So Stories
...Shows How to Ensure Evolution,” John Rennie described a mathematical study led by Martin Nowak, who directs an evolutionary dynamics lab at Harvard University, and Krishnendu Chatterjee, a computer scientist...
How Insulin Helped Create Ant Societies
...suggests that there’s something very general about how evolution proceeds when it increases the complexity of a system,” Kronauer said. To Suarez, it means that this kind of evolutionary innovation...
A Traveler Who Finds Stability in the Natural World
...whose origins stretched back to the French Revolution. Dirty Math In the 1790s Gaspard Monge had a problem. He was a mathematician tasked by Napoleon with figuring out how to...
A Math Theory for Why People Hallucinate
...to biology and evolutionary ecology. Roughly 10 years ago, he and his then graduate student Tom Butler were pondering how the spatial distribution of predators and prey changes in response...