17:14
How Your Indoor Air Ventilation Affects Coronavirus Spread
A mechanical engineering professor explains how to lower your risk of infection inside.
12:17
Dealing With The Aftermath Of Iowa’s Devastating Derecho
Last week, a severe inland storm hit the Midwest like a hurricane. Scientists and experts explain why they can be hard to predict.
Refugee Families Find Shelter After Iowa’s Derecho
After days of sleeping in tents, cars, and on the ground, refugee families in Cedar Rapids have moved to temporary housing and received much needed aid.
16:59
For These Robots, Sexism Isn’t The Problem
A researcher looking for gendered bias against robots found something else instead: We just don’t trust them at all.
16:59
Rethinking Our COVID-19 Testing Strategy
How might faster, cheaper tests help with better tracking of infectious COVID-19 patients?
17:01
The Beautiful Spirals Of Sperm Cells On The Move
New tools—and math—are shifting our picture of a vital reproductive cell.
11:52
Will Nations Share Their COVID-19 Vaccines?
As the U.S., Russia, and other nations push forward on COVID-19 vaccine trials, what happens to countries that can’t develop their own?
17:11
How Zero Gravity Can Reveal Basic Biological Questions
Astronauts just bioengineered human cells on the International Space Station.
Challenge: Create Something New Using Plastic Bags
Your challenge is to repurpose plastic shopping bags to create something new and useful. The sky’s the limit, whether you’re making a prom dress, area rug, a dog poncho, or a kite!
Challenge: Cardboard
What can you build with cardboard? Build something really impressive out of cardboard in this open-ended cardboard challenge for all ages.