What’s Causing the Color Change in Yellowstone’s Morning Glory Spring?
The interplay of light, bacteria, and water depth influence the dramatic colors at Yellowstone’s famous pool.
How an Electric Eel Is Like a Taser
New research shows that the electric fish operates like a Taser to immobilize prey.
Belize’s Blue Hole Offers Clues To Mayan Collapse
Sediment cores from around the Yucatán Peninsula support a theory as to what could have led to the Mayans’ demise.
The Green Comet
You might be able to spot this bright, verdant comet with the naked eye.
When Egg Meets Sperm, Sparks Fly
The original meet-cute. When sperm and egg meet, sparks fly.
This Insect’s Got Gears
The cogs allow the planthopper nymph to synchronize movement of its hind legs.
The Fight Against Blight: Restoring the American Chestnut
Researchers have developed a blight-resistant species that’s nearly identical to the American chestnut tree.
Peek Inside A Mechanical Calculator
This machine was a predecessor to the electronic calculator.
The Underwater Robot That Could
Using data from a robot, scientists have created the first detailed, 3-D maps of Antarctic sea ice thickness.
David Livingstone’s Beetles
A museum curator has discovered a box of beetles containing specimens collected during a famous expedition.