The Best Of Science Friday, 2023
This year science reached new frontiers, and our coverage followed suit. Our staff—and audience—share their favorite SciFri creations of 2023.
7:49
Flame Retardant Could Be Made From Discarded Cocoa Husks
Scientists are using leftover cocoa husks to extract lignin, an organic polymer that can become flame retardant, foam, or a straw.
Experiment With Fluid Physics In Your Kitchen
Experiment with non-Newtonian fluids, like ketchup and Oobleck, to determine how they react to shear stress.
12:05
What Causes Red Wine Headaches? It May Be Quercetin
Forget sulfites and tannins. A new theory pins the throbbing pain of a red wine headache on quercetin, an antioxidant in grape skins.
Everything You Never Knew About Squash And Pumpkins
It’s squash, pumpkin and gourd season. An expert answers listener questions about these colorful fall favorites.
Ask A Chef: How Can I Use Science To Make Thanksgiving Tastier?
Chef Dan Souza from Cook’s Illustrated and America’s Test Kitchen answers your holiday cooking questions.
How Poisons Have Shaped Life On Earth
Poisons fill our pantries and gardens. The new book ‘Most Delicious Poison’ explores how common toxins have shaped life on Earth.
Digging In To Nature’s Poisons
Caffeine is a natural pesticide. If you’re a human, it’s also a great way to start your morning.
5:02
In Wyoming’s Mountain Lakes, Stocked Trout Are Evolving Quickly
Humans have long stocked alpine lakes with fish for anglers, but research shows some rapidly evolving trout are altering aquatic ecosystems.
6:49
Sour Times For Florida’s Citrus
Scientists are working on ways to salvage plants damaged by “citrus greening,” which causes bitter, acidic fruit.