Getting into Marathon’s Closed Alpha Test is a bit tricky. Here’s what you need to know in order to sign up and play early.

Chicago microbiologist Nicholas Aicher is known for making TikTok videos where he swabs public surfaces to test them for bacteria. In a now-viral video, he tested the five-second rule to see if food ...

Chicago microbiologist Nicholas Aicher tested how the so-called “five-second rule” compared to longer and shorter-timed drops.