TED-Ed
Can you outsmart the apples and oranges fallacy? | Elizabeth Cox
It's 1997. The United States Senate has called a hearing about global warming. Some expert witnesses point out that past periods in Earth's history were warmer than the 20th century. Because such variations existed long before humans,...
SciShow
The Dark Mystery of Galaxy X
There might be a galaxy made mostly of dark matter orbiting the Milky Way!
TED-Ed
TED-Ed: How smart are dolphins? - Lori Marino
Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino...
Be Smart
Understanding Climate Science
Scientists overwhelmingly agree that our climate is changing, Earth is getting warmer, sea levels are rising, and it's primarily because of humans putting lots of carbon dioxide in the atmosphere. Whether you already trust in the...
SciShow
World’s Most Asked Questions How Old is Earth
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How old is Earth?” SciShow has the answer!
SciShow
Is Your Dog Bilingual?
Your dog might seem like a bit of a goof, but they might be capable of more tricks than you think. A new study from researchers in Hungary investigated whether dogs can distinguish between new and familiar languages.
SciShow
Mind the (Solar System's) Gap
Giant disks around baby stars filled with gas and dust provide the material to make all sorts of planets, and new evidence proves that our solar system’s had a massive gap in it! And the water vapor in Jupiter’s moon, Europa, might not...
PBS
When Rodents Rafted Across the Ocean
The best evidence we have suggests that, while Caviomorpha originated in South America, they came from ancestors in Africa, over 40 million years ago. So how did they get there?
SciShow
What Does "Organic" Mean, and Should You Buy Organic Foods?
There’s a lot of confusion over what organic means, and food with that label might not be as healthy or environmentally friendly as you think.
TED Talks
Paul Conneally: How mobile phones power disaster relief
The disastrous earthquake in Haiti taught humanitarian groups an unexpected lesson: the power of mobile devices to coordinate, inform and guide relief efforts. At TEDxRC2, Paul Conneally shows extraordinary examples of social media and...
TED-Ed
Ugly History: The US syphilis experiment | Susan M. Reverby
Afflicting nearly 1 in 10 Americans, syphilis was ravaging the U.S. in the 1930s. Many doctors believed syphilis affected Black and white patients differently, and the Public Health Service launched an experiment to investigate,...
Crash Course
Karl Popper, Science, & Pseudoscience: Crash Course Philosophy
The early 1900s was an amazing time for Western science, as Albert Einstein was developing his theories of relativity and psychology was born, as Sigmund Freud and psychoanalysis took over the scientific mainstream. Karl Popper observed...
SciShow
Why Is Autumn More Vivid in New England?
During autumn in the northeastern US, deciduous trees sport a stunning display of yellows, oranges, and reds. But in some places, like Europe, autumn tends to look much more yellow. So why is it that only certain parts of the world get...
SciShow
Fermi Bubbles Our Galaxy’s Giant Gamma Ray Mystery
Fermi bubbles are made up of gamma rays, but where they came from is still up for debate. Did they come from a star-forming region, or the black hole at the middle of our galaxy?
MinuteEarth
How To Date A Planet
How do we know how old the Earth is? Learn how we date rocks, the moon, and planets.
PBS
Why the Big Bang Definitely Happened
We pretty much know for sure that the universe was once extremely small, and extremely hot. And we know that something set it in motion, expanding rapidly and continuing to do-so today. But the actual moment of 'the Big Bang' is still a...
SciShow
What If the Large Hadron Collider Made a Black Hole?
Making a black hole in a particle accelerator sounds… a bit dangerous, to say the least, but scientists think that it could be possible! Here's why it probably wouldn't be dangerous -- and might even teach us something.
SciShow
We Were So Wrong about Allergies
Food allergies aren’t exactly rare, but previous attempts to prevent them may have actually made them more common than they would have been otherwise.
PBS
When Humans Were Prey
Not too long ago, our early human ancestors were under constant threat of attack from predators. And it turns out that this difficult chapter in our history may be responsible for the adaptations that allowed us to become so successful.
SciShow
Paleontology's Technicolor Moment
For a long time, we could only guess what color a dinosaur might be. But in the past decade, there has been an explosion of color.
TED Talks
María Neira: This is your brain on air pollution
Air pollution knows no borders -- even in your own body, says public health expert María Neira. In this startling talk, she describes how the microscopic particles and chemicals you breathe affect all your major organs (including your...
SciShow
Mental Health Apps: How Medicine Can Keep Up With Tech
There are thousands of mental health apps out there claiming to do everything from easing insomnia to treating PTSD symptoms, but are those really effective?
Crash Course
Evaluating Photos & Videos: Crash Course Navigating Digital Information #7
With the amount of fake and doctored photos and videos out there, how can we know what to trust? Most of us are used to thinking that "seeing is believing" but as technology makes it easier and easier to spread unreliable content online...
MinutePhysics
Higgs Boson Part III - How to Discover a Particle
How do you know when you've "discovered" a particle? What do we mean by "discovery"?