Morgana Bailey has been hiding her true self for 16 years. In a brave talk, she utters four words that might not seem like a big deal to some, but to her have been paralyzing. Why speak up? Because she's realized that her silence has...

Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated cells with the power to become any tissue in our bodies. Craig A. Kohn describes the role of these incredible,...

Cow, almond, soy, goat. There are a lot of choices when it comes to milk, but if you're looking for that nutritious boost of vitamins and minerals in the morning, have you considered cockroach milk?

Everyone experiences pain -- but why do some people react to the same painful stimulus in different ways? And what exactly is pain, anyway? Karen D. Davis walks you through your brain on pain, illuminating why the "pain experience"...

Imagine a game played with two players and two dice: if the biggest number rolled is one, two, three, or four, player 1 wins. If the biggest number rolled is five or six, player 2 wins. Who has the best probability of winning the game?...

Scientists were able to measure the emission lines of antimatter! And we may have some new clues about how dinosaurs lost their teeth on the way to becoming birds.

The lab-on-a-stick that lets us know if we’re pregnant is a genius bit of technology that can be used to quickly determine everything from whether there are nuts in our chocolate to whether we have COVID.

Everyone knows the name Charles Darwin, but his lesser known frenemy, Alfred Russel Wallace, was developing a lot of the same ideas around the same time.

I normally drink about ten cups of coffee per day but today I decided to cut back and haven't had any caffeine but now my head hurts and I don't know why do YOU know why!?

Mining unobtainium is hard work _ the rare mineral appears in only 1% of rocks in the mine. But your friend Tricky Joe has something up his sleeve. The unobtainium detector he's been perfecting for months is finally ready, and it returns...

Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: _How many piano tuners are there in Chicago?" Physicist Enrico Fermi was very good at problems like these -- learn how he used the...

In this video Paul Andersen explains how a net torque acting on an object will create rotational motion. This motion can be described by the angular displacement, angular velocity, and angular acceleration. The linear velocity can be...

We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need?...

What is matter, anyway? What does it have to do with math? And why aren't you made of Jesus? Delving deeper into the theory of (almost) everything - the Standard Model of particle physics.

Hank and his brother John discuss heredity via the gross example of relative ear wax moistness.

Paul Andersen describes the process of mitosis. He begins by discussing the importance of the cell cycle in development, regeneration, asexual reproduction and wound healing. He differentiates between haploid and diploid cells and...

Ever get curious about how beer goes from the brewery to your belly?

Howcast - Learn how to find a good studio photographer from professional photographer Chris Ryan in this Howcast video.

Howcast - Learn how to play roulette in Las Vegas from Sin City expert Mike Myers in this Howcast video.

Howcast - Learn how to tell military time in this US army basic training video from Howcast with Sergeant Michael Volkin.

Howcast - Learn how to create skateboard grip tape designs from SHUT Skateboards' Michael A. Cohen in this Howcast video, part two of two.

Howcast - Find out what you can learn about a newborn baby's health from infant poop from parenting coach Tammy Gold in this Howcast baby care video.

Howcast - Learn how to fix a bad kisser from kissing expert Shallon Lester in this Howcast video.

Howcast - Let musician Alex Skolnick teach you how to play the diagonal form on guitar in this heavy metal guitar lesson from Howcast.