12:05
Scientists Engineer Bacteria With Genetic ‘Kill Switch’
Genetic engineers have designed strains of E. coli that can survive only in the presence of a compound that doesn’t exist in nature.
Get Ready to Hike
Make your family hikes so much more fun with these hiking tips.
Behind-the-Scenes at the Explorers Club
Tour the unique artifacts, including a yeti scalp and four-tusked elephant, collected by Explorers Club members during research expeditions over the last century.
Engineer A ‘Filter Feeder’
Build and test a water filter inspired by marine filter feeding organisms.
6:27
Sifting Soils for New Approaches to Antibiotics
Researchers report that they’ve isolated a new type of antibiotic compound from soil-dwelling bacteria that previously couldn’t be cultured.
When Egg Meets Sperm, Sparks Fly
The original meet-cute. When sperm and egg meet, sparks fly.
Science Friday Home Science Highlights of 2014
Our best home experiments and maker projects from 2014.
Birdie In Flight: The Science of Badminton
The key to the badminton’s speed is the unique aerodynamic shape of the birdie and the kinetic movements by players.
Fungal Freeways
Marcus Roper of UCLA explains how fungal networks function with remarkable efficiency and prevent microscopic traffic jams.
‘Hot’ For Turkey
Female wild turkeys parse the courtship performances of males to determine their genetic potential.