Why Do Pandas Have Thumbs?

Some panda species have strange thumb-like appendages, but their thumbs evolved for strikingly different reasons.
Wind turbines

The Unexpected Problem With Wind Power

While it can be an excellent source of clean power, wind power also kills a lot of wildlife, including bats.
Bioluminescent ocean

The Glowing Mystery of Bioluminescence

Bioluminescence, an animal's ability to create and use light, exists exclusively in the lower branches of the tree of life.
Moving Forest

The Incredible Moving Forest

For as long as plants have existed, there have been moving forests, migrating across the earth’s surface in response to changes in the climate.
Two Hummingbirds and an Orchid

Are There “Transgender” Proclivities in Animals?

We tend to think of gender expression as uniquely human. But many species gain advantages by projecting an opposite-sex appearance.
rising sea levels

Sea Level Rise Is Already Here

For the 44% of the world's population that lives near the coastline, global climate change is no longer abstract. 
clothing donations

Fast Fashion Fills Our Landfills

Americans dispose of about 12.8 million tons of textiles annually. Fashion has a major impact on the environment. So what is the industry doing about it?
Welikia Manhattan map

What Did Manhattan Look Like in 1609?

The Welikia Project recreates a lost vision of Manhattan, one composed of marshes and forest surrounded by wide, meandering rivers.
recycling plastic bottles

One Way to a Cleaner Ocean? Plastics!

A new technology allows ships to dredge the ocean for plastic, then compress it into bricks. But plastic recycling has proved difficult in the past.
Southern Alps in New Zealand

How to Make It Rain

The United Arab Emirates is looking into building an artificial mountain in order to stimulate rain. Will it work?