Climate Compass on MSN

The real science behind why you can smell rain before it falls

You know that moment when you step outside and just sense it? Something in the air shifts. The atmosphere feels heavier, ...
WUSA

Smells like rain! Here's the science behind it

That’s not your imagination! That smell has a name, and it’s actually backed by science. That earthy, fresh, almost nostalgic smell after a rainstorm is called petrichor (pronounced PEH-truh-kor). It ...