Geese honk loudly and point their bills toward the sky when they’re ready to start the migration. Here’s how they know it’s time, how they navigate and how they conserve energy on the grueling trip.
Some rainstorms drench you in a second, while others drop rain in a nice peaceful drizzle. A meteorologist explains how rainstorms can be so different.
Rakaia Kenney, University of Maryland, Baltimore County; Kayla Lemons, University of Maryland, Baltimore County et Weihong Lin, University of Maryland, Baltimore County
Mmmmmmm. That smells delicious. Wait, how do you know that?
One anthropologist found 1,072 similar words for ‘mom’ and ‘dad’ in the world’s languages. It turns out a mix of biology, culture and encouragement from parents explains this phenomenon.
The movies make it seem like someday we’ll be able to make people and objects grow really big or shrink really small. Whether this will be possible comes down to the smallest of things.
The term ‘Big Bang’ might make you think of a massive explosion. Put the thought out of your head. Rather than an explosion, it was the start of everything in the universe.