Waiting for a stoplight to turn green can be really annoying, especially when you’re running late. It would be awesome if you had a magic wand you could wave to get the light to change. But alas, such things don’t exist. But how do stoplights know when to switch colors? We asked Jerry Kotzenmacher with the Minnesota Department of Transportation to help us find the answer.

Got a nagging question that just won’t yield? Send it to us at BrainsOn.org/contact, and we’ll put you in the express lane to answersville.

Have you ever had a scary or weird dream and wished you could switch your brain-television to another channel? Great news! You can learn to use “lucid dreaming,” a technique that helps you realize when you’re in a dream. Once you know you’re dreaming, you can teach yourself to shape your own storyline. So how does that work? We asked Dr. Ketema Paul, Professor, Integrative Biology And Physiology at the University of California, Los Angeles to help us find the answer.

Got a question that’s keeping you up at night? Send it to us at BrainsOn.org/contact, and we’ll help put it to bed.

There are all different kinds of yogurt: Greek, vanilla bean, blueberry, even sheep’s milk yogurt! But how did people first figure out how to make this yummy food? We asked journalist Allison Conroe to help us find the answer.

Got a question that’s whey cool? Send it to us at BrainsOn.org/contact, and we’ll find a legen-dairy answer.

Happy Snake Week! Every episode this week explores a different question about our slithery friends. Here’s a mind blower for you: did you know the ancestors of snakes used to have legs?   Somewhere along the zigzag path of evolution, they traded in their lizardy legs for a more streamlined look. But why did snakes go legless? We asked biologist and snake researcher Emily Taylor to help us find the answer.

Got a question that’s snaking around your brain? Send it to us at BrainsOn.org/contact, and we’ll find a fangtastic answer!  

Happy Snake Week! Every episode this week explores a different question about our slithery friends. Did you know that, out of the roughly 3,000 total species of snakes, only about 10-15% are venomous? But how do those snakes make venom in their bodies? We asked snake scientist Emily Taylor to help us find the answer. 

Got a question that’s biting at you? Send it to us at BrainsOn.org/contact, and we’ll search for the answer-dote!

Happy Snake Week! Every episode this week explores a different question about our slithery friends. Snakes come in all sizes and colors, but they have one thing in common: no arms or legs! In fact, one might argue they kind of look like sticks. We asked snake expert Emily Taylor why our reptilian neighbors are twig-shaped. 

Got a question that’s slithering around your brain? Send it to us at BrainsOn.org/contact, and we’ll promise we won’t throw a hisssss-y fit!

Happy Snake Week! Every episode this week explores a different question about our slithery friends. Zoos have to have all kinds of foods available to feed the different species that they care for. Animals like elephants, zebras and buffalo eat plants. Predators like lions, foxes and bears have a much meatier diet. But what’s on the menu at the snake house? Snake cake? Snake steak? Snake grapes? We asked biologist Emily Taylor to help us find the answer.

Got a question snaking throughyour brain? Send it to us at BrainsOn.org/contact, and we’ll help squeeze out an answer.

Happy Snake Week! Every episode this week explores a different question about our slithery friends. Did you know snakes hibernate in the winter just like bears, chipmunks and geckos? But what do they do while they’re hibernating? Do they have dreams? Do they wake up for mid-hibernation snacks? We asked snake scientist Emily Taylor to help us find the answer! 

Got a question you just can’t ssssssleep on? Send it to us at BrainsOn.org/contact, and maybe we’ll bite!

Some people have allergic reactions to foods like peanuts, sesame, and raw eggs. But when people with egg allergies eat cooked eggs, there’s no reaction. What’s up with that? We asked pediatrician Liz Placzek to help us find the answer.

Have you hatched a really great question? Send it to us at BrainsOn.org/contact, and we’ll help find EGG-xactly what you need.

Have you ever heard of a mood ring? It’s a little piece of jewelry that supposedly tells you what kind of a mood you’re in. But how the heck can it know? We asked scientist Edwin Thomas to help us find the answer.

Got a question that’s getting you in the mood to learn? Send it to us at BrainsOn.org/contact, and we’ll help w-ring out an answer.