Feature

Hubble Spies a Cluster’s Unruly Past

Enzyme Encourages Cancer’s Deadly Spread

Sneaky Caterpillar Makes an Ant’s Perfume

Carbon Dioxide Shakes off Its Pursuers

Abracadabra! Magnets Float in Midair

Kids Adopted Late Reap IQ Increases

Women’s Heart Attacks Kill More Often

Vitamin A Thwarts Malaria in Children

Squeezing Clouds

Behavior

Biology

The Honeycomb Conjecture