![Scientific American Magazine Vol 326 Issue 6](https://static.scientificamerican.com/sciam/cache/file/036BBCF8-8574-46E2-80BF414FB5153FFE_source.jpg?w=300)
Volume 326, Issue 6
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Features
How Mammals Conquered the World after the Asteroid Apocalypse
They scurried in the shadows of dinosaurs for millions of years until a killer space rock created a new world of evolutionary opportunity
How the Brain 'Constructs' the Outside World
Neural activity probes your physical surroundings to select just the information needed to survive and flourish
U.S. Kids Are Falling behind Global Competition, but Brain Science Shows How to Catch Up
Paid parental leave and high-quality child care improve children’s brain development and prospects for a better future
Mysterious Fast Radio Bursts Are Finally Coming into Focus
Twenty years after their initial detection, enigmatic blasts from the sky are starting to deliver tentative answers, as well as plenty of science