Feature

Biology

Abracadabra! Magnets Float in Midair

Kids Adopted Late Reap IQ Increases

Hubble Spies a Cluster’s Unruly Past

Against the Tide

Vitamin A Thwarts Malaria in Children

Sneaky Caterpillar Makes an Ant’s Perfume

Enzyme Encourages Cancer’s Deadly Spread

Front Matter

The Honeycomb Conjecture

Alcohol May Guard Diabetics’ Hearts

Better Early than Never