SciShow
Cats Shouldn't Love Tuna (But They Do)
Tuna are big, fast-swimming ocean fish. They're hardly the natural prey of cats, whose ancestors evolved in the desert. Yet a study of taste receptors in cats shows that they're predisposed to LOVE tuna.
SciShow
You Have Four Ages
A person's chronological age doesn't tell us much about the health of their body's various systems. That's why scientists are beginning to study biological ages, and it turns out there may be a lot of them.
SciShow
The Parasite That Makes You King
Being infected with a parasite is bad, right? So why are wolves in Yellowstone National Park infected with Toxoplasma gondii some of the most successful individuals
SciShow
The Nuclear Bunker Full of Cannibal Ants
There's an abandoned Soviet nuclear bunker in Poland full of cannibal ants. And weird as it sounds, it's helping us learn more about the behavior of social insects.
SciShow
How Do Volcanoes Make Smoke Rings?
Occasionally, a volcano coughs up a ring of fog. How does it create that whimsical shape, and how similar is it to the smoke rings humans can make?
SciShow
We Finally Found a Green Use for Coal
One day, the world may partially run on clean hydrogen fuel. But a big barrier to that future is just how darn difficult it is to store hydrogen for later use. So one team of scientists have proposed making hydrogen "batteries" out of...
SciShow
Octopuses Have a Favorite Arm
Most humans might be right-handed, but plenty of other animals have a preferred hand (or whatever they've got instead of hands) too. The more general term is lateralization, and it's found in everything from kangaroos to octopuses.
MinuteEarth
Which Will Kill You First?
The body can get a whole lot colder - but not a whole lot hotter - before we die. Why is that?
SciShow
Fukushima Is Releasing Its Nuclear Wastewater
More than a decade after the Fukushima Daiichi nuclear power plant disaster, its operators are dumping once-contaminated water into the Pacific Ocean. Is that OK?
SciShow
The Human Era Has an Official Start. It’s a Lake in Canada
Recently, a group of scientists have declared that the start of the Anthropocene, the time of outsize human influence on Earth, to be Crawford Lake in Canada. But how can a time be a place? We'll explain, and maybe grab some maple syrup.
MinuteEarth
Why Is There So Much Land In The North?
Most of Earth’s land is currently in the northern hemisphere because we happen to exist in a time where uneven heating in the mantle has pushed many continental plates northward.
Amoeba Sisters
Genetic Engineering
Explore an intro to genetic engineering with The Amoeba Sisters. This video provides a general definition, introduces some biotechnology tools that can be used in genetic engineering, and discusses some related vocabulary (such as...
SciShow
What We Know, And Still Don’t Know, About the Dark Side of the Moon | Compilation
More than a classic rock album that'll change your life, this classic space rock has a dark side that has mystified scientists for centuries.
SciShow
How to Supersize a Telescope | Compilation
Telescopes can get pretty big, incredibly big actually. Unbelievably big. So here's a compilation about how we managed to get them that size and how that size helps us to see.
SciShow
Early Earth Microbes May Have Eaten Raw Meteorites
Is it possible that life on earth began with an out of this world rock buffet?
SciShow
Are Space Sounds Lies?
If a tree falls in space, and it's frequency is modulated by multiple octaves and digitized, does it make a sound?
SciShow
What That Famous Gorilla Suit Study Didn’t See
Inattentional blindness is a phenomenon where we can be so focused on a given task, we completely miss some pretty bizarre object cross our line of vision. Like a gorilla in the middle of a basketball game. But exactly why it happens is...
SciShow
Astronauts Need a Better Sunscreen
Space is a dangerous place. One of the many dangers comes in the form of radiation. On Earth, sunscreen helps shield our bodies. But astronauts on the ISS, or eventually on the Moon/Mars/etc., will have to be rocking some suped-up...
SciShow
Boom Boom Thump: How to Make Quieter Supersonic Planes
Supersonic jets like the Concorde face concerns over safety, high carbon output, and cost. They also make loud sonic booms so loud that only transoceanic flights are legal. Now one NASA program is trying to make a quiet supersonic plane...
SciShow
The Rocky Mountains Are in the Wrong Place
Mountain ranges usually don't form in the middle of continents. Except for the Rocky Mountains. We'll go into the baffling Laramide Orogeny and a few possible reasons why the Rockies might be in the wrong place.
SciShow
How We Get Sick in Space and How to Recover | Compilation
No one likes being sick, but can you imagine catching a bug while hurling through space? Turns out, this is an issue that many space agencies have worked to study and mitigate.
SciShow
Reducing Space Waste Before, During, and After Missions | Compilation
Right now, discarded parts from old spacecraft, bags of pee, and dead probes are just floating around in space, but it doesn’t have to be like that. Let's take a look at some of the ways we've figured out to reduce, reuse, and recycle in...
SciShow
The Asteroid That Nearly Swallowed OSIRIS-Rex
It's always an asteroid heading straight toward us that we worry about, never what happens to us when we head straight toward the asteroid. OSIRIS-REx's experience with Bennu tells us it's worth a thought.
SciShow
Animal Astronauts | Compilation
Humans aren't the only Earth-dwelling animals to face the final frontier. Our journey to the stars has been aided by a number of different animals both yesteryear and today!