SciShow
Tis The Season for Snuggles: The Psychology of Cuffing Season
It’s wintertime in the Northern Hemisphere, which means cold weather, shorter days, and… new relationships? It’s known as cuffing season, and there are actual psychological reasons you may be more inclined to settle down with a romantic...
SciShow
Why does hand sanitizer feel cold? #shorts #science
Why does hand sanitizer feel cold? #shorts #science
TED-Ed
Meet the bluefin tuna, the toughest fish in the sea | Grantly Galland and Raiana McKinney
What's as big as a polar bear, swallows its prey whole, and swims at forty miles an hour? It's not a shark or a killer whale... it's the Atlantic bluefin tuna— the largest and longest-lived of the 15 tuna species. Its unique set of...
SciShow Kids
How Glaciers Change the World!
It's freezing outside and cold weather makes Jessi think of glaciers!
MinutePhysics
2012 Nobel Prize - How Do We See Light
What was the 2012 Nobel Prize in physics given for? Capturing a single photon of light!
SciShow
How Antarctica Froze Over
Antarctica wasn't always covered in kilometer thick ice sheets, in fact, scientists have spent years figuring out what turned this once lush continent into its current icy state.
SciShow
Does Milk Make You Phlegmy?
It’s become a common belief worldwide that gulping down a glass of milk will make you phlegmy. But... there seems to be no real scientific evidence to back up that claim.
Bozeman Science
Viral Replication
Paul Andersen explains how viruses reproduce using the lytic cycle. He also shows how viruses can pick up new genetic material and how retroviruses (like HIV) can enter into the lytic cycle. He also describes the lysogenic cycle and how...
SciShow Kids
Why Is Fire Hot?
Whether you're out camping, cooking, or snuggled up in front of your fireplace, you know that fire is hot! But why? Join Jessi and Squeaks to learn how fires turn wood or other fuel into useful heat!
MinuteEarth
Why You’re More Likely To Die In Winter
There’s a huge seasonal difference in death rates that is propelled by a variety of factors including pathogen behavior and anatomical response to temperature changes.
TED-Ed
TED-ED: Why extremophiles bode well for life beyond Earth - Louisa Preston
Life on Earth requires three things: liquid water, a source of energy within a habitable range from the sun and organic carbon-based material. But life is surprisingly resilient, and organisms called extremophiles can be found in hostile...
SciShow
Why Biting Ice Cream Hurts So Bad
That intense shooting cold pain in the teeth when you bite into a cold ice cream cone just hits differently than, say, making a snowball with your bare hands. But what makes cold teeth feel so much more painful than cold skin?
SciShow
Can Vitamin C and Zinc Help Cure Colds?
You’ve probably heard that taking vitamin C or zinc will keep you from getting sick, but it turns out that those popular cure-alls don't actually work.
SciShow
What We Learned from Challenger and Columbia
Late January and early February are the anniversaries of two of the most disastrous events in the history of spaceflight. What did we learn from these events, and how do we move forward?
MinutePhysics
Why Do Compressed Air Cans Get Cold?
This video is about compressed air cans (aka gas dusters) and why they get cold when you spray them. They cool off because the refrigerant inside (1,1-difluoroethane) is under pressure and boils off when the pressure lowers, and energy...
SciShow Kids
Why Do We Shiver?
Have you ever been so cold that your body shakes really fast? That’s called shivering, and Jessi and Squeaks are going to explain what causes it!
Be Smart
Why Seasons Make No Sense
Day by day, country by country, we tend to measure seasons differently.
SciShow
Why Can We See Our Breath In The Cold?
Quick Questions explains how cold winter air triggers the same processes that form clouds, fog, and dew so you can see your breath!
SciShow
9 Scientific Cooking Techniques
All cooking is science: we use chemistry and physics to steam, fry, bake, or microwave almost all of our meals. However, there are some cooking methods that delve into even deeper and stranger scientific territory.
TED-Ed
TED-Ed: The chemistry of cold packs - John Pollard
If you stick water in the freezer, it will take a few hours to freeze into ice. How is it, then, that cold packs go from room temperature to near freezing in mere seconds? John Pollard details the chemistry of the cold pack, shedding...
SciShow
How Do Wetsuits Keep You Warm?
Snorkelers, surfers, divers. They all use them… wetsuits! So how do they work to keep you warm? It turns out layers of materials, and water itself!
SciShow
How Is That Not Killing You?
When Hank watches nature documentaries he always comes away with one big question: how is that not killing you? In today's episode of SciShow he looks at three unusual ways that animals manage not to get killed by nature.
Bozeman Science
Response to External Environments
Paul Andersen explains how organisms respond to the external environment. He begins with a discussion of behavioral responses like hibernation and migration. He ends with a discussion of physiological responses like shivering and...
SciShow
The Strange Effects of Diamond Dust
Bright pillars of light... clouds of glowing dust... shimmering discs floating around the sun... signs of extraterrestrial activity, or is there a more rational and scientific explanation for this phenomenon?