TED Talks
Richard Dawkins: Why the universe seems so strange
Biologist Richard Dawkins makes a case for "thinking the improbable" by looking at how the human frame of reference limits our understanding of the universe.
SciShow
5 of the Best Measurements In Science
Proving something right isn’t just about quantity. It’s also about quality and over the years, scientists have made measurements proving that we understand ridiculously well how the universe works.
SciShow
How to Date a Dead Thing
SciShow explains radiocarbon dating, the best way to date a dead thing!
TED-Ed
TED-Ed: How do geckos defy gravity? - Eleanor Nelsen
Geckos aren't covered in adhesives or hooks or suction cups, and yet they can effortlessly scale vertical walls and hang from ceilings. What's going on? Eleanor Nelsen explains how geckos' phenomenal feet allow them to defy gravity.
Crash Course
Energy & Chemistry: Crash Course Chemistry
Grumpy Professor Hank admits to being wrong about how everything is chemicals. But he now wants you to listen as he blows your mind with a new sweeping statement: everything (yes, really everything this time) is energy. What?! This week,...
PBS
Space Used to Be Orange!!
As long as we've been around, YES. But the universe gets much more exciting, AND much BRIGHTER, as we start winding our clocks back to the early days of the universe. Near the beginning of the universe, when space was rapidly expanding,...
SciShow
From Lifesaver Sparks to Life-saving Tech: The Science of Triboluminescence
You might know that if you chomp on a Wint-O-Green Lifesaver in a dark room, you can see little blue flashes of light in your mouth. What you might not know is that this is an example of triboluminescence: a fascinating, somewhat...
SciShow
How Does a Photon Become a Film Photo?
The chemistry behind film photography is pretty fascinating. How do film cameras help us turn light into a physical image?
TED Talks
TED: Dance vs. powerpoint, a modest proposal | John Bohannon
Instead of a boring slide deck at your next presentation, how about bringing in a troupe of dancers? That's science writer John Bohannon's "modest proposal" in this spellbinding choreographed talk. He makes his case by example, in...
Be Smart
The Amazing Science of DUST?
Some of the universe's biggest action is a result of its smallest stuff
SciShow
What Really Happened the First Time We Split a Heavy Atom in Half
When scientists first split the atom, they didn't realize what they'd done until physicist Lise Meitner figured out they had discovered what we now call nuclear fission.
SciShow
The Microscope That Uses Quantum Physics to Trace Atoms
In the late 1970s, two physicists in Switzerland set out to invent a new type of microscope using quantum physics that would allow them to do something no one had ever done before: see the individual atoms in a sheet of metal.
Bozeman Science
Thinking in Matter - Level 4 - Conservation of Matter
In this video Paul Andersen shows conceptual thinking in a mini-lesson on the conservation of matter. TERMS Matter - physical substances Atoms - the basic unit of elements Conservation - the quantity of a physical quantity remains...
TED Talks
TED: The science of scent | Luca Turin
What's the science behind a sublime perfume? With charm and precision, biophysicist Luca Turin explains the molecular makeup -- and the art -- of a scent.
Crash Course
A Brief History of the Universe
Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the universe’s life. It started with a Big Bang, when...
SciShow
Airglow: Why The Night Sky Is Really Green
If you look closely enough, you'll see the night sky is actually a little green. SciShow Space explains the science behind the phenomenon known as airglow.
Bozeman Science
Systems
In this video Paul Andersen explains how systems are two or more objects that interact with one another. If a system has no relevant internal structure it can be treated as an object. The conservation laws apply to energy, charge and...
SciShow
Watch the Delta Aquarids, and Meet NASA's 'Aquanauts'
SciShow Space preps you for the Delta Aquarids, a meteor shower, and explains what makes them so unique. Plus, join "aquanauts" on one of NASA's least-known missions, a nine-day tour in its NEEMO undersea laboratory.
TED-Ed
TED-ED: Particles and waves: The central mystery of quantum mechanics - Chad Orzel
One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion? Chad...
SciShow
How 5 Rocks Get Their Glow
If you find a glowing rock, it probably doesn't mean you're the chosen one. If it's one of these five phenomena, it's quantum mechanics, not narrative significance. Chapters View all FLUORESCENCE 0:36 PHOSPHORESCENCE 2:42...
SciShow
The Tiny Experiment That Transformed Physics
In 1956, a team of scientists conducted an experiment that, seemed kind of trivial, but the results would challenge one of our fundamental beliefs about the entire universe.
TED-Ed
TED-Ed: How many universes are there? - Chris Anderson
The fact that no one knows the answer to this question is what makes it exciting. The story of physics has been one of an ever-expanding understanding of the sheer scale of reality, to the point where physicists are now postulating that...
SciShow
Gold: The Big Bling
Hank talks about a shiny element that has fascinated humans for millenia.
TED-Ed
TED-ED: How atoms bond - George Zaidan and Charles Morton
Atoms can (and do) bond constantly; it's how they form molecules. Sometimes, in an atomic tug-of-war, one atom pulls electrons from another, forming an ionic bond. Atoms can also play nicely and share electrons in a covalent bond. From...