Blog

Do you laugh or smile when playing around with your friends? It turns out bottlenose dolphins do too! Scientists have found that dolphins “smile” to communicate during playtime. And they probably do it to make sure their pals don’t mistake playfulness for aggression.

There’s something for everyone in our summer assortment quiz. Try this fun mix of questions from across the sciences! If you’re after more fun science for kids, subscribe to Double Helix magazine!