It’s a question that a professor asked Gabe Guo during a casual chat while he was stuck at home during the Covid-19 lockdowns, waiting to start his freshman year at Columbia University. “Little did I ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Fingerprint scanners on smartphones have gone mainstream over the past few years. They are now not just limited to the top-of-the-line smartphones but are also available on the mid-range and budget ...