SciShow
Liquid Water on Mars
Today, NASA announced that there is...occasionally...flowing, liquid water on the surface of Mars. What?!
SciShow Kids
Recycling Old Crayons! An Earth Day Activity
Jessi teaches Squeaks all about recycling, and together, they recycle his old crayons to make cool new ones! Second Grade Next Generation Science Standards Disciplinary Core Idea: PS1.B: Chemical Reactions - Heating or cooling a...
SciShow
Weird Places Movile Cave
In 1986, a prospecting crew in southern Romania was looking for a good place to build a geothermal power plant, when they accidentally discovered one of the oddest caves of all...
Crash Course
Life Begins Crash Course Big History 4
In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the...
TED-Ed
TED-Ed: How epic solar winds make brilliant polar lights - Michael Molina
Why do we see those stunning lights in the northern- and southernmost portions of the night sky? The Aurora Borealis and Aurora Australis occur when high-energy particles are flung from the Sun's corona toward the Earth and mingle with...
SciShow
Can Moon Colonies Get Oxygen From the...Moon?
As we look towards longer missions to the Moon, the shear amount of resources needed to survive becomes a much bigger question. Without space semi-trucks to haul life-giving resources to astronauts, can we utilize the Moon’s barren...
MinuteEarth
Should We Contact Uncontacted Peoples
FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started: - isolated peoples: peoples living without significant contact with global...
SciShow
Radioactive Iron Rain!
This week on SciShow Space News we're talking about gravity waves (not gravitational waves) on Pluto, and radioactive interstellar rain on Earth!
MinuteEarth
Where Do Our Drugs Come From?
The incredible chemical weapon-making abilities of fungi, bacteria, and plants have created a diverse array of compounds that are useful to humans.
TED-Ed
TED-Ed: Why aren't we only using solar power? - Alexandros George Charalambides
Solar power is cheaper and more sustainable than our current coal-fueled power plants, so why haven't we made the switch? The real culprits here are the clouds, which make solar power difficult to control. Alexandros George Charalambides...
MinutePhysics
Complete Solution To The Twins Paradox
This video is about the famous 'Twins paradox' of special relativity, how time can appear to be faster for two different observers at the same time, and which twin really is older (or younger) - the one who stays on earth or the one who...
TED Talks
TED: What it means to be intersex | Susannah Temko
For intersex people -- those born with sex characteristics outside the traditional definitions of female and male -- the stakes to appear "normal" are high. Drawing on her personal experience, Susannah Temko reveals the shame, prejudice...
Be Smart
The Largest River On Earth Is In The Sky
What's the largest river on Earth? If you said "the Amazon".... you're only half right. Scientists have discovered an even bigger river in South America, and it's in the sky above the Amazon rainforest. Turns out, this sky river is the...
SciShow
The World's Most Abundant Mineral, and Oddball Whales
SciShow News takes you to the depths of the Earth, where the world’s most abundant mineral is found, and to the Arabian Sea, where a strange population of whales has been living in isolation for 70,000 years!
SciShow
The Lost City and the Origin of Life | Weird Places
Hydrothermal vents are some of the most extreme environments on the planet. But in 2000, scientists discovered a vent unlike any other, one that spews white smoke and is 10 times older. And some think it may help us understand how all...
SciShow
Exotic Chemistry: World's Oldest Water and The Rarest Element
This week's SciShow news brings you discoveries involving two of the most exotic substances on Earth - the world's rarest element and the world's oldest water. Two great tastes that taste great together? Stay tuned to find out.
Bozeman Science
Inertial Mass
In this video Paul Andersen explains how inertial mass is defined and measured. When a force is applied to an object or a system it will accelerate. Using Newton's Second Law of Motion (F=ma) you can calculate the inertial mass.
TED-Ed
TED-Ed: The Earth's age in measurements you can understand - Joshua M. Sneideman
The Earth is 4.6 billion years old -- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Comparing the Earth's lifetime to one calendar year, events like the extinction of dinosaurs and...
TED Talks
Kwame Anthony Appiah: Is religion good or bad? (This is a trick question)
Plenty of good things are done in the name of religion, and plenty of bad things too. But what is religion, exactly — is it good or bad, in and of itself? Philosopher Kwame Anthony Appiah offers a generous, surprising view.
TED Talks
TED: The science of extreme weather -- and how to reduce the harm | Al Roker, Al Gore, David Biello and Latif Nasser
Floods, droughts, heat waves and cold blasts -- why is the weather becoming more extreme? Environmentalist and "America's weatherman" Al Roker discusses the link between climate change and disruptions to weather patterns worldwide,...
PBS
The Time Terror Birds Invaded
About 5 million years ago, a new predator made its way from the south and onto the coastal plains of North America. It was a giant, flightless, carnivorous bird and came to be known by one of the coolest and most richly earned nicknames...
PBS
Telescopes on the Moon
Find out about China's current telescope on the moon and what the future plans are for mounting larger telescopes on the lunar surface.