It looks like water. It smells like vinegar. And it can burn through skin in seconds. Welcome to the icy world of glacial acetic acid a chemical so pure it solidifies like ice, and so reactive it ...

XIMENA BUSTILLO, BYLINE: Hi, Ailsa. CHANG: So what have you learned? BUSTILLO: Over the course of the last few months, NPR investigative reporter Chiara Eisner and I have seen several videos on social ...

With so many heartwarming pet videos circulating 24/7/365, it takes a lot for me to stop and do a double take. The ones that go deep in the duration of a 10 to 20-second clip that take us on an ...