SciShow
The United Nations' First Space Mission
With a recent announcement from the UN Office for Outer Space Affairs, the doors to space research have been opened for many new countries.
SciShow
Why Scientists Keep Trying to Break This 18th Century Law
It’s usually not a great idea to break laws, but breaking the laws of science is an exception! In fact, it’s often how we make progress.
SciShow
The Lost Cargo Ship, and Pluto Has Ice Caps!
SciShow Space News explains how we lost track of a resupply mission, explores Pluto’s newfound ice caps, and helps you find Mercury.
SciShow
Our First-Ever Missions to Mars, and What We Learned From Them
A lot of our knowledge of the inner solar system was gained fairly recently, and the Mariner program led the way!
SciShow
Why the Oceans Are Getting Darker
You’d never tell just by staring out from a sandy beach, but the coasts are gradually getting darker, and the effects of this darkening are only beginning to be understood.
SciShow
25 Years of Hubble, and MESSENGER's Grand Finale
SciShow Space News explains two of the Hubble Space Telescope's most important discoveries, and why the MESSENGER probe is about to crash into Mercury.
Curated Video
Venus
Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight -- but it’s beauty is best looked at from afar. Even though Mercury is closer to the sun, Venus is the hottest planet in the solar system, due to a runaway...
SciShow
Gravitation: The Four Fundamental Forces of Physics #3
Hank continues our series on the four fundamental forces of physics with a description of gravitation -the interaction by which physical bodies attract with a force proportional to that of their masses, and which is responsible for...
SciShow
The Tiny Planet Revealing Gravity’s Big Secrets
Mercury’s path through our solar system is, well, a little eccentric, and some of its movements were a mystery astronomers couldn’t explain for a long time. Then, in the early 20th century, Einstein reran the numbers and proved a whole...
SciShow
3 Weird Meteorites (Whose Weirdness Was Instructive)
Meteorites are extraterrestrial rocks that have ended up on earth. All of them are literally 'out of this world,' but here are three of the strangest of these aliens.
SciShow
A Farewell to the Arecibo Observatory | SciShow News
On December 1, 2020, Arecibo's long-story came crashing down to an end. While it's sad to see this monumental observatory go, it's worth looking back over the many discoveries it's made over the last 60 years.
Bozeman Science
Health Impacts of Pollution
In this video Paul Andersen explains how chemicals can cause both chronic and acute diseases. A discussion of the five main types of toxins; neurotoxins, carcinogens, teratogens, endocrine disruptors, and allergens is including. The LD50...
Crash Course
Alkyne Reactions Tautomerization - Crash Course Organic Chemistry
Carbon-carbon double bonds are pretty common in nature, but triple bonds between carbons, called alkynes, are not. When alkynes do pop up in nature, it’s usually in a compound that’s toxic to humans, however, we can synthesize alkynes...
SciShow
5 Measurements You Might Not Realize Are Named After Scientists
Units are a major way we describe the world around us, and by looking at the scientists some of them are named after, we can get a sense of how we’ve learned so much about our universe.
SciShow
Great Minds We Lost in 2012
Hank pays tribute to some of the great scientific minds we lost in 2012, and then apologizes for some mistakes made in recent SciShow episodes.
SciShow
The Two-Faced Role of Planetary Magnetic Fields
Given that Earth’s magnetic field helps protect its life-sustaining atmosphere, you might think that the stronger a planet’s magnetic field, the better. But as it turns out, some planets’ relationships with their magnetic fields are a...
SciShow
What Would Happen If the Planets Lined Up?
Planetary alignments: They're the favorite astronomical scenario of kooks, con artists, and Hollywood producers everywhere. But has it ever happened? And what would it do to Earth if it did?
SciShow
The Real Philosopher's Stone: Turning Lead into Gold
With scientists’ efforts and their creativity, we finally found “the real philosopher’s stone.” That's right, we can now turn lead into gold... a little bit.
SciShow
10 Dangerous Fashion Trends
As you know, in fashion, one day you're in and the next day your skin is falling off and your lungs are melting.
Crash Course
Alchemy: History of Science
In fantasy stories, charlatans in fancy robes promise to turn lead into gold. But real alchemists weren’t just mystical misers. They were skilled experimentalists, backed by theories of matter. And they played a huge role in the...
SciShow
A Brief History of Birth Control
Gym teacher Hank gives us the full story of the past, present, and future of birth control.
TED-Ed
TED-Ed: The history of the barometer (and how it works) - Asaf Bar-Yosef
A barometer is an instrument that measures air pressure, allowing weather forecasters and scientists to better predict extreme weather events. Despite its incredible usefulness, inventing the barometer was no walk in the park. Asaf...
SciShow
Why Can't You Bring Mercury Thermometers on Planes?
Mercury thermometers are handy and useful, but they could be extremely dangerous to bring on planes.
SciShow
The Milky Way Broke Its Arm
The spiral of the Milky Way is not as smooth as we once thought because an arm not so far from home appears to be broken! And we may have discovered the answer to why a local asteroid puts on the appearance of a comet.