Why Your Brain Needs Exercise
The evolutionary history of humans explains why physical activity is important for brain health
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Why Your Brain Needs Exercise
The evolutionary history of humans explains why physical activity is important for brain health
Are Humans the Only Conscious Animal?
Decoding the puzzle of human consciousness
Are Humans Alone in the Milky Way?
Why we are probably the only intelligent life in the galaxy
Ancient Cave Paintings Clinch the Case for Neandertal Symbolism
Abstract images in Spanish caves date back 65,000 years—millennia before Homo sapiens set foot in Europe—settling a long-running debate over Neandertal cognition
The Puzzle of the First Black Holes
Astronomers are puzzled about how the oldest supermassive black holes could have grown so big so early in cosmic history
Why Do We Have Pets?
People have an innate interest in other species, but we like having pets for a variety of social reasons
Dinosaur Bones Show They Grew Quickly
Lines and other structures in dinosaur bones reveal how these animals grew and how long they lived