Instant Expert: The Science You Need to Know Now

Quick hits of wisdom in our annual guide to some of today’s hottest science.

Instant Expert: The Science You Need to Know Now
McKibillo

More than 2,000 nukes could be fired on short notice.

A planet's atmosphere can reveal alien life.

Eighty percent of people hospitalized with swine flu in the U.S. were under 50.

Something outside our visible universe is moving whole galaxies.