Allergies can already be a bummer, but did you know they can eventually stop you from enjoying your favorite foods?

Squeaks and Mr. Brown are taking a break from working in the garden to learn about bunches of cool insects that live there and other places in the world!

It's one of the most annoying sensations our bodies can feel, but does anything feel better than when you scratch an itch? Ok, maybe *some* things. But itching and scratching are up there. How does this weird sensation work? And what is...

Bears are known for scratching their backs on trees, but it turns out that they might be using trees as a dating app.

Like most allergies, you can become immune to mosquito bites, but it might not be worth it.

Have you ever said, "No, a little to the left," during a back scratch because the itch itself seemed to move? Well, it has to do with how your nerves and brain respond to the sensation.

Hank explores a vexing question asked at picnics and beach parties everywhere: Why do bug bites itch? To help you understand the answer, he takes you into the blow by blow of a bug bite which, we warn you, is pretty horrifying.

Why are mosquito bites so itchy? Stop scratching while Jessi explains!

It’s hard to resist the urge to scratch an itch, but doing so could help break that vicious cycle of itchiness.

The average person experiences dozens of individual itches each day. We've all experienced the annoyance of an inconvenient itch - but have you ever pondered why we itch in the first place? Is there actually an evolutionary purpose to...

Allergies can already be a bummer, but did you know they can eventually stop you from enjoying your favorite foods?

Learn why we itch and what scientists have discovered that may help chronic itchiness!

Also known as cercarial dermatitis, swimmer’s itch is more than just an annoying rash…

Jessi and Squeaks learn about plants with defensive weapons!

This episode is not for the faint of heart. Coyote has claimed for years that he’s immune to poison ivy—but that’s about to be put to the ultimate test. Joined by wildlife expert, Ray Tiller (who, spoiler alert, breaks out from even a...

Why Do Mosquito Bites Itch?

Howcast - Learn how to handle cradle cap from pediatrician Dyan Hes, M.D. in this Howcast video about newborn and baby development.

Howcast - Increased blood supply and a growing belly contribute to pregnancy itch. Take these steps to reduce the itch and gain some calm.

Two ambulances—red and blue—are ready for emergencies. The red ambulance heads to a puppy with a cough, while the blue one goes to a kitten with an itchy ear. Both ambulances carry first aid kits with medicine.

This video teaches about trigraphs, tch, dge, and igh and the rules of when to use them. There is practice with both reading and writing with them.

We have all spent days staring at the computer screen with stiff backs, holding awkward positions without realizing it. Unconsciously, we move our fingers across our backs in motions similar to those of scratching. In no time at all,...

When our body sustains a wound, new cells are formed near the edges of the injury and then move down to the base of the wound. Once these cells have migrated to the center of the wound, they connect with other cells nearby. Once this...

Hear sine waves as sound, and discover the equations that describe them: and the effect of increasing or decreasing the variables of amplitude and frequency. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by...

Want to know how to make the American accent? I’ll show you in this video! AND you’ll see some of my real-life students working on their accent as well. This video looks at one of the most powerful and immediate changes you can make to...