What the White House Needs to Know about Managing “Screen Time”
White House officials, like parents, are learning how limiting screen time can lead to better focus. But what does "screen time" really mean?
Medical Leeches Are Back (Yes, You Read That Right)
Leeches are especially helpful when veins are damaged and unable to properly drain blood from extremities, for example, in recently reattached amputations.
The Gender Politics Behind Why We’re “Mammals”
Linnaeus, who described most plants and animals by their male characteristics, chose to name humans and their relatives after the female breast.
Why Would NASA Want to 3-D Print Chain Mail?
NASA engineers have 3-D printed a new version of chain mail. Why strong, light, heat-resistant materials are so important in space.
The Secrets of Viking Sword Making
New research scans three Viking swords and finds that, while well-made, they were not strong enough to withstand a fight.
Secret Communities: Why We Confess Online
How can it be helpful to disclose secrets online? A look at sites like PostSecret, where users anonymously confess to things they've never told anyone.
Have Humans Been in the Americas Longer Than We Thought?
Humans may have inhabited the Americas much longer than initially suspected. But questions like who these people were remain unanswered.
When Predators Become Man-Eaters
It’s very rare that predators eat humans. However, every now and then, predators do develop a taste for people, such as an infamous episode in Tsavo, Kenya.
America’s Long Fight Over Single-Payer Healthcare
With new calls for universal single-payer health insurance, President Harry Truman's derailed plan of 1945 is getting renewed attention.
Will Feeding Plastic to Wax Worms Work?
The problems of plastic in the environment are well documented. Researchers may have a solution to our problem: the common wax worm.