Topic: temperature

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The stories behind Fahrenheit and Celsius

Fahrenheit (°F) is a unit of measurement for temperature. Daniel Gabriel Fahrenheit (1686–1736) is the inventor of the mercury-in-glass thermometer and the aforementioned scale of measurement. In this Veritasium video...

Science and survival on Continent 7: Antarctica

At -100 degrees F, you'll survive for less than 3 minutes and burn 5,000 calories a day, and boiling water can turn to snow instantly. And, at less than 1% humidity, your body will lose water just breathing. This is S...

The 3-million-year old Ningwu ice cave never thaws

White stalactites hang down from every surface, and the walls and floors are glazed with thick ice. The Ningwu ice cave, also referred to as Wannian Ice Cave in Ningwu County, China, is a unique phenomenon: The subter...

The seafloor microscope that can reveal corals’ secrets

See the seafloor like you've never seen it before, thanks to this microscope, the first to show 1.6 millimeter-sized coral polyps up close in the wild. An effort to better understand these lifeforms in the face of cor...

Climate Change 101 with Bill Nye + solutions great and small

What is climate change, what causes it, and how do we mitigate its effects? Bill Nye summarizes Climate Change 101 in concert with National Geographic's Climate Change issue and COP21, the December 2015 Paris Climate ...

A vortex of bubbles twirls pufferfish as cold & warm waters collide

A vortex of bubbles forms like a lasso in the waters off the coast of Socorro Island, where cold California currents collide with warm equatorial waters. It's a seasonal phenomenon in Mexico's "little Galápagos", appr...

How to Make a Cloud in Your Mouth – Physics Girl

To make a cloud in your mouth -- yes, this is a very cool trick that actually works with practice -- you'll need to make tiny water droplets in your mouth. Then up the pressure. Physics Girl Dianna Cowern demonstrates...

For sea otters, lounging around is the key to conserving energy

Sea otters are not only known for being adorable, but also for a lack of blubber to help keep them warm. Because they live in water that’s far too cold for their bodies, sea otters not only rely on their super fantast...

How is an ice sculpture made? SciFri investigates frozen water

What's So Cool About Frozen Water? Art and science come together to uncover some ice-expert-level details in this 2012 Science Friday report. Shintaro Okamoto, founder of NYC's Okamoto Studio, and Erland Schulson, Dar...

Why do carrots taste sweeter in the winter?

From the University of California’s Fig.1 series, Molecular Biologist Liz Roth-Johnson explains why cold weather makes carrots taste more sweet: Because plants are immobile, they must develop defense techniques aga...

The Fantastic Fur of Sea Otters – Deep Look

Sea otters are creatures who live in water that's far too cold for their bodies. There are other animals, like whales and sea lions, that are insulated from the cold by blubber, a layer of fat under their skin, but as...

The Science of Snowmaking

From The New York Times, Olympics 2014: The Science of Snowmaking:  Machines make snow the same way nature does, by freezing water droplets. But they do it a few feet above the ground, rat...

How do trees survive winter? – MinuteEarth

How do trees survive winter? This episode of Minute Earth explains. Related watching: The Story of Frozen Food and Why The Full Moon is Better in Winter.

Snow Facts Cheat Sheet: How is snow made?

How is snow made? What temperatures make different kinds of snow? And can two snowflakes look exactly alike? The Science Channel has a quick Snow Facts Cheat Sheet video for questions just like this. There are more ...

The Top 5 Places to Look for Alien Life

Where might we find life in our solar system? Via skeptv, Scientific American Space Lab has a countdown for that: Top 5 Places to Look for Alien Life. Bonus — the video comes with additional reading material:  ...

It’s Okay To Be Smart: What is wind?

We were just watching how wind (and so many other things) can get going with the spin of the Earth, now let’s go deeper and find out more about what wind is with PBS’ Dr. Joe Hanson of It’s Okay To Be Sma...

BBC Life in the Undergrowth: Amazing Cicada Life Cycle

Amazing Cicada Life Cycle, presented (and bewitched) by the amazing Sir David Attenborough in this clip from the BBC’s Life in the Undergrowth. “Magicicada Brood II will make its ...

Bubble freeze: Ice crystals form on a bubble in just a few seconds

It doesn't take more than a few seconds for ice crystals to form on a soap bubble when it's -30c in Northern Sweden. Next: Watch more videos about ice, ice crystals, and bubbles. via Daily Picks and Flicks.

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