It’s extremely easy to get sunburned while you’re skiing and snowboarding in the mountains, but have you ever wondered why?
While it’s true that you’re slightly closer to the Sun when you’re high in the mountains, that isn’t the reason.
If you go up 1 mile (1.6 km), about the elevation[1] from Denver to the peaks of resorts such...
Enzymes are molecular machines that carry out the chemical reactions that sustain all life, an ability that has captured the attention of scientists like me[1].
Consider muscle movement. Your body releases a molecule called acetylcholine to trigger your muscle cells to contract. If acetylcholine sticks around for too long, it can paralyze your...
Most major biological molecules, including all proteins, DNA and RNA, point in one direction[1] or another. In other words, they are chiral, or handed[2]. Like how your left glove fits only your left hand and your right glove your right hand, chiral molecules can interact only with other molecules of compatible handedness.
Two chiralities...
The city of Lancaster, Pennsylvania, was shaken by revelations in December 2023 that two local teenage boys shared hundreds of nude images[1] of girls in their community over a private chat on the social chat platform Discord. Witnesses said the photos easily could have been mistaken for real ones, but they were fake. The boys had used an...