9:02
Sea Turtles Guided Home by Magnetic Sense
Female turtles return to the coastlines where they hatched using the earth’s magnetic fields as a navigational tool.
The SciFri Book Club Searches for Lost Cities
Journey into the Amazonian jungle with David Grann’s “The Lost City of Z.”
Engineer A ‘Filter Feeder’
Build and test a water filter inspired by marine filter feeding organisms.
10:58
Mapping White-Nose Syndrome’s Lethal Course In Bats
Bats infected with white-nose syndrome use up twice as much energy during hibernation as uninfected bats.
Talking Darwin Over Dinner
An excerpt from the Science Guy’s new book, “Undeniable.”
23:41
Birding Into the New Year
We’ll check in on the 115th annual Audubon Christmas Bird Count and hear what birds have made an appearance so far this winter.
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.