We already know that bats are amazing creatures. They are the only mammals that can fly. The bones in their wings resemble our fingers. They account for about one in five of all mammals living on the planet. And some can fly up to 99 miles per hour! But have you ever asked yourself why the heck they sleep upside down? We asked biologist DeeAnn Reeder to help us find the answer.
Got a Moment of Um question that’s turning you upside down? Send it to us at BrainsOn.org/contact, and we’ll help get it all sorted out.

Why do bats sleep upside down?

Moment of Um is your daily answer to those questions that pop up out of nowhere and make you go… ummmmmmm. Brought to you by your friends at Brains On at APM Studios.

Kids & Family

Education for Kids

Tattoos are a type of art that’s added permanently to a person’s skin using special inks and needles. It’s a way of decorating the body that has been around for a long time. But how long? When were the earliest tattoos?  We asked sociologist David Lane to help us find the answer.
Got a question that’s really needling you? Send it to us at BrainsOn.org/contact, and we’ll poke around until we find the answer!

When were tattoos first invented?

It’s super helpful that each day of the week has its own name!  Without these names, it’d be really hard to keep track of our calendars – and there’d be no such thing as #MotivationMonday or #TacoTuesday! But why do the days of the week have the names that they do?  We asked language expert Amelia Tseng to help us find the answer.
Got a question that’s making you #WonderWednesday? Send it to us at BrainsOn.org/contact, and we’ll help #FindoutFriday!

How did the days of the week get their names?

Movies are everywhere. They’re on our tablets, phones, and projected onto giant screens. But it hasn’t always been that way! So… when were movies first made? We asked cinema and media historian Laura Isabel Serna about it – and she helped us find the answer!
Got a question flickering in your mind’s eye? Send it to us at BrainsOn.org/contact, and we’ll produce an animated answer!

When were movies first made?

We may not think much about sewing machines, but there are so many things we wouldn’t have without them! Think about how many things are sewn together in our everyday lives. Your shirts, pants, hats, pillows, backpack, even parts of your car seats! There’s no doubt that sewing machines were a revolutionary invention. But when exactly were the first ones made? We asked Articles of Interest host Avery Trufelman to help us find the answer.
Got a question that’s got you in stitches? Send it to us at BrainsOn.org/contact, and we’ll help thread the needle!

When were sewing machines first invented?

People have all different kinds of animals as pets: dogs, cats, hamsters, gerbils, pigs, you name it. The famous artist Salvador Dalí even had a pet lobster that he took for walks on a leash! But when did humans first start craving animal companionship? We asked anthropologist David Ian Howe to help us find the answer.
Got a question that you want to ask right meow? Send it to us at BrainsOn.org/contact, and we’ll unleash the answer.

Why do bats sleep upside down?

Download our free app to listen on your phone