Pien Huang

Brian Lapointe, a research professor at Florida Atlantic University's Harbor Branch Oceanographic Institute, has spent his career studying corals at the Looe Key Reef, in a National Marine Sanctuary in the Florida Keys.

Over that time, he's witnessed an alarming trend. In the past 20 years, half of Florida corals have died off.

Snowball, the dancing cockatoo, has at least 14 distinct dance moves.
Irena Schulz, / YouTube

Snowball the cockatoo got Internet famous in the late 2000s when a

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Three summers ago, Ayse Tenger-Trolander, a graduate student at the University of Chicago, ordered a batch of monarch butterflies from a breeder, and made an accidental discovery: the butterflies had likely lost the ability to migrate.

The world's glaciers are melting faster than before, but it still takes decades to see changes that are happening at a glacial pace.