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Neurotransmitter switching in early development predicts autism-related behaviors

Neurobiologists have made a breakthrough in understanding how environmental factors might contribute to autism spectrum disorders. A recent study shows that early neurotransmitter switching—where neurons change their chemical messengers—may lead to lasting autism-like behaviors in mice. These findings provide new…

New secret math benchmark stumps AI models and PhDs alike

On Friday, research organization Epoch AI released FrontierMath, a new mathematics benchmark that has been turning heads in the AI world because it contains hundreds of expert-level problems that leading AI models solve less than 2 percent of the time,…

This elephant figured out how to use a hose to shower

Mary the elephant shows off her hose-showering skills. Credit: Urban et al./Current Biology Mary the elephant shows off her hose-showering skills. Credit: Urban et al./Current Biology An Asian elephant named Mary living at the Berlin Zoo surprised researchers by figuring…

What if AI doesn’t just keep getting better forever?

For years now, many AI industry watchers have looked at the quickly growing capabilities of new AI models and mused about exponential performance increases continuing well into the future. Recently, though, some of that AI “scaling law” optimism has been…