Curiosity

Why Does Garden Soil Smell So Good After Rain

Why does garden soil smell so good after rain? Learn how geosmin, soil microbes, plants, and raindrops create that familiar earthy scent.

Some Plants Fold Their Leaves at Night. Here's What They're Really Doing

Some plants fold their leaves at night because of natural biological rhythms. Learn how nyctinasty works and which plants show this fascinating behavior.