A butterfly flaps its wings and weeks later a tornado touches down halfway around the world. Mathematician Edward Lorenz used the butterfly effect to explain chaos theory in the 1960s. Now, decades ...

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Scroll through social media long enough and a pattern emerges. Pause on a post questioning climate change or taking a hard line on a political issue, and the platform is quick to respond—serving up ...

A study exploring the mechanisms behind why cognitive performance improves in response to exercise, has found that dopamine plays a key role. A study exploring the mechanisms behind why cognitive ...