Make Your Own Fall Foliage With This Dad-Tested Experiment
Learn about why leaves change colors in different seasons.
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.
Christmas Tree Combustion
A home holiday experiment that explores combustion using festive fuels such as fir, pine, spruce, and cedar.
7:21
What’s Killing West Coast Starfish?
Scientists have linked an unprecedented starfish die-off along the West Coast to a virus.
9:08
Near City Streets, an Insect Cleaning Crew
Ants and other insects could be able to remove thousands of pounds of food waste from street medians and city parks each year.
David Livingstone’s Beetles
A museum curator has discovered a box of beetles containing specimens collected during a famous expedition.
5:50
‘Hot’ for Turkey
Female wild turkeys parse the courtship performances of males to determine their genetic potential.
‘Hot’ For Turkey
Female wild turkeys parse the courtship performances of males to determine their genetic potential.
16:53
Horns, Claws, and Teeth: The Animal Weapons Arms Race
Doug Emlen, author of “Animal Weapons,” unpacks the evolutionary arms race that pushes horns, claws, teeth and other animal defenses to the extreme.