If you cook, take medications, or perform laboratory experiments, you’re likely to come across the phrase room temperature. “Store at room temperature,” a pill bottle might suggest.

So far spring has felt turbulent in terms of the temperatures we've seen, with highs close to 20C that then plummet to lows of -8C during the night. So why has the temperature been so changeable ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s a sunny February morning and you turn on the TV to watch the ...