Tag «SciShow»

Can Gargling Salt Water Cure a Sore Throat?

[♪ INTRO] While it might give you that podcast-ready, baritone voice, a sore throat is no fun at all. And if you’re looking for a quick fix, you might have already heard that you can gargle salt water. It turns out there is some evidence to back up the old remedy, but it’s not a …

7 of the Strangest Allergies

7 of the Strangest Allergies

[♪ INTRO ] When you think of allergies, the first thing that comes to mind is probably seasonal allergies, like a sneezing fit over some pollen, or a food allergy that’s closed up somebody’s throat. But they’re more than just pollen and peanuts. Allergies can happen in response to a lot of things, because they’re …

These Mysterious Lakes Disappeared…and Came Back

These Mysterious Lakes Disappeared…and Came Back

[♪ INTRO] Lots of bodies of water, like rivers and ponds, they change shape and size over time. But lakes? Like, we usually think of lakes as being pretty permanent. Yeah, of course, water levels will rise and drop during years of heavy rain or drought, but lakes themselves, they don’t go anywhere, right? Well, …

7 Species That Were Saved From Extinction

7 Species That Were Saved From Extinction

Humans have had a pretty big influence on planet Earth and on the things that live on it. And not all of that influence has been positive. Extinction rates, for example, are thought to be a thousand times higher with humans around than they would be without us. But not all endangered species are headed …

The Shocking Truth About Electric Animals!

The Shocking Truth About Electric Animals!

[Intro] Hank Green: What you’re about to see in this SciShow Dose may shock you. There are about 8600 animals in the world that are electroreceptive. They can feel electric fields. Like the sense of touch, eletroreceptivity carries information about the shape, size, and texture of things in the environment, and like hearing or vision, …

Explore the Rainforest! | Ecology for Kids

Explore the Rainforest! | Ecology for Kids

It’s a drizzly, rainy day outside. So we thought we’d pull out a few of our books and explore some cool, colorful places where wet weather is pretty much the only weather there is. I’m talking about rainforests! You can probably tell from the name that rainforests have a whole lot of two things: trees …

Endangered Animals!

What do pandas, orangutans, rhinos, and gorillas have in common? Aside from being animals that you probably only see at the zoo, these animals are all endangered. Scientists say an animal is ‘endangered’ when there aren’t many of them living in the wild anymore. And any kind of animal can become endangered — birds, insects, …

The Great Snake Debate

The Great Snake Debate

90 million years ago, a stealthy predator slipped in and out of burrows that it dug in the shadows of the dinosaurs, in what would later become Argentina. Today this creature is known as Najash — named after a monstrous biblical snake. And, for the most part, it had all of the classic traits that …

The Mystery of the Eocene’s Lethal Lake

The Mystery of the Eocene’s Lethal Lake

47 million years ago, the world was a hothouse. Lush jungles covered much of the globe, stretching far from the equator, and they were rife with mammals. This was life in the Eocene Epoch. And around a quiet lake in what’s now Germany, a typical scene was unfolding in late spring. Crocodiles patrolled the waters. …