
How do you know if you have a virus? | Cella Wright
A new virus emerges and spreads like wildfire. In order to contain it, researchers must first collect data about who's been infected. Two main viral testing techniques are critical: one tells you if y...
18 Touko 20204min

A day in the life of an Aztec midwife | Kay Read
The midwife Xoquauhtli has a difficult choice to make. She owes a debt to her patron Teteoinnan, the female warrior goddess at the center of the Aztec seasonal festival, who must be kept happy or she ...
12 Touko 20204min

What causes opioid addiction, and why is it so tough to combat? | Mike Davis
In the 1980s and 90s, pharmaceutical companies began to market opioid painkillers aggressively, while actively downplaying their addictive potential. The number of prescriptions skyrocketed, and so di...
8 Touko 20208min

Which is better: Soap or hand sanitizer? | Alex Rosenthal and Pall Thordarson
Your hands, up close, are anything but smooth. With peaks and valleys, folds and rifts, there are plenty of hiding places for a virus to stick. If you then touch your face, the virus can infect you. B...
5 Touko 20205min

What really happened during the Salem Witch Trials | Brian A. Pavlac
You've been accused of a crime you did not commit. It's impossible to prove your innocence. If you insist that you're innocent anyway, you'll likely be found guilty and executed. But if you confess, a...
4 Touko 20205min

What happens if you cut down all of a city's trees? | Stefan Al
By 2050, it's estimated that over 65% of the world will be living in cities. We may think of nature as being unconnected to our urban spaces, but trees have always been an essential part of successful...
24 Huhti 20205min

The wildly complex anatomy of a sneaker | Angel Chang
Australians call them "runners." The British know them as "trainers." Americans refer to them as "sneakers." Whatever you call them, these casual shoes are worn by billions of people around the world....
23 Huhti 20205min






















