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
What is a coronavirus? | Elizabeth Cox
For almost a decade, scientists chased the source of a deadly new virus through China's tallest mountains and most isolated caverns. They finally found it in the bats of Shitou Cave. The virus in ques...
14 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
