The aurora borealis is usually visible only way up north, but two weeks ago the night sky was filled with shimmering curtains of pink and green light that could be seen all the way down into the southern US. People in Texas and Hawaii got out of their cars to stare and take pictures. The…
If you went to school before the 2010s, you might’ve been taught with the help of an overhead projector. These gigantic light cannons blasted photons upward through typically transparent worksheets, through a lens and a mirror, projecting the image onto a screen so everyone could see. I can only imagine my teachers back then wishing…
While I was impressed with the results, I’d still opt for cooking with charcoal and wood chunks for a true barbecue experience. That said, the Ninja Woodfire absolutely matched—or even beat—most of the barbecue I’ve had from pricier pellet grills, like those from Traeger. The Ninja most resembles a pellet grill when it comes to…
Permethrin is a pesticide in the pyrethroid class, and research suggests that it may have some potential health risks. A 2019 study that followed more than 2,000 adults over 14 years found that people with higher exposure to pyrethroids had an increased risk of dying from heart disease. (The study involved a small number of…