Build An Ultra High-Speed Toy Out Of Paper
Make a paper toy that spins thousands of times per minute, and then measure, and try to modify, its speed.
Why The Multiverse Isn’t Just Madness
The multiverse—the idea that infinite universes stretch beyond our own—has gained traction among physicists. But others think it’s just a multi-mess.
7:56
Twisted Science: Tying The Strongest Molecular Knot
There are more than six billion known knot configurations. Scientists have used metal ions to tie the tightest molecular knot.
17:17
What Gives Bubbly Its Bubbles?
With New Year’s Eve just around the corner, SciFri salutes the fizz in your champagne flute.
Seeing The Patterns In Sound
A pair of artists finds ghostly imagery in sound vibrations.
8:07
Multicolor Molecules and New Horizons’ Data Dump
Researchers developed an electron microscope that picks up an elusive feature: color.
11:18
Just How Easy Is It to Edit DNA?
The CRISPR-Cas9 gene editing system is a less perfect fix for gene editing than news reports make it out to be.
6:50
The Science Club Challenges You to ‘Break It Down’
Sometimes taking something apart can reveal insight into how it works.
7:15
A Limit to Lifespan, Genetic Preference for Flavors, and Hurricane Matthew’s Power
A new look at mortality suggests that even as average lifespan increases, there’s still a hard cap on how long we can live.
How To Survive The Anthropocene
A new collection of essays curated by environmentalist James Lovelock aims to help people better understand the earth.