Frogs Come Alive After Winter Thaw | National Geographic

less than 1m read

·Nov 11, 2024

NARRATOR: While the rivers and ponds are melting, the ground remains frozen. And under the leaf litter, someone is pulling off a miracle. [intriguing music] This wood frog is frozen solid. Even his eyes are iced over. There's no pulse, no breath. Slowly the warmth of spring begins to thaw, from the inside out. His heart starts beating. [dramatic music] His brain lights up-- [intriguing music] -- and he begins to move. It turns out that the frog's liver pumped a syrupy, natural antifreeze into his cells in the fall. It kept his organs from freezing. Only the water between cells froze. After eight months frozen, he's completely undamaged, and leaping straight for the nearest pond. [water splashing] Now, Alaska's least welcome yearly arrival slowly bursts from its watery home-- the mosquito. [intriguing music] And it immediately wants blood. Not even cold-blooded frogs are immune. The number of mosquitoes here far outstrips that in any jungle on earth. [music continues] [water splashing] [mosquitoes buzzing]

Composing 3x3 matrices | Matrices | Precalculus | Khan Academy

The Second Amendment | National Constitution Center | Khan Academy

View All

Why Is This Field Full of Huge Presidents? | Short Film Showcase

[Music] [Applause] [Music] [Music] It was an outdoor walking park with descriptions of each president on sign boards. The park was spotless; very nice place for the family and stroll your little babies around in their strollers. Pretty neat. It wasn’t in…

Supply and demand curves in foreign exchange | AP Macroeconomics | Khan Academy

In a previous video, we’ve given an intuition on what foreign exchange markets are all about. In particular, we talked about the foreign exchange market between the U.S. dollar and the Chinese yuan. What we’re going to do in this video is think about the…

Warren Buffett: How to Make Your First $100,000 (5 Steps)

If you want to make your first or next one hundred thousand dollars, you need to follow these five simple lessons from Warren Buffett. The majority of content out there about Warren Buffett gets it completely wrong. That content focuses on how Warren Buff…

Charlie Munger: 10 Rules for a Successful Life

There once was a man who became the most famous composer in the world, but he was utterly miserable most of the time. One of the reasons was he always overspent his income. That was Mozart. If Mozart can’t get by with this kind of asinine conduct, I don’t…

The world depends on a collection of strange items. They're not cheap

Part of this video was sponsored by Google Domains. This is a US government warehouse that sells almost anything you can imagine: blueberries, steel, cigarettes, limestone, a standard bullet, and even some things you don’t want to imagine. I also see you …

Congress Wants To Ban Investing | Stocks Under Attack

What’s up guys, it’s Graham here. So, there’s no easy way to put this, but so far 2022 has been the worst year for buying stocks since the Great Depression in 1930. Without exaggeration, some expect the situation to continue getting worse. For example, th…

Frogs Come Alive After Winter Thaw | National Geographic

More Articles