Bozeman Science
Radiocarbon Dating
Mr. Andersen explains how carbon-14 dating can be used to date ancient material. The half-life of radioactive carbon into nitrogen is also discussed.
Bozeman Science
Second Law of Thermodynamics
In this video Paul Andersen explains how the second law of thermodynamics applies to reversible and irreversible processes. In a reversible process the net change in entropy is zero. In and irreversible process the entropy will always...
TED Talks
TED: What you don't know about marriage | Jenna McCarthy
In this funny, casual talk from TEDx, writer Jenna McCarthy shares surprising research on how marriages (especially happy marriages) really work. One tip: Do not try to win an Oscar for best actress.
SciShow
You Can Inherit Fear?
Everyone is afraid of something, and traditionally, we’ve thought that fears are learned. But the key to understanding some fears could lie in our DNA.
SciShow Kids
How Does My Bike Stay Up? Physics for Kids
Ever wonder what keeps you from falling over when you’re riding your bike? Jessi, with the help of some other SciShow Kids, shows you the answer!
SciShow
Space Trash: The Next Big Pickle
Earth's orbit has a bit of a litter problem. Hank outlines a few ways scientists have thought of to help clean things up.
SciShow
5 Things We Still Don't Know About the Solar System
We've already learned a lot about the solar system, but sometimes the most fascinating things are what we DON'T know.
Bozeman Science
Average Value of the Electric Field
In this video Paul Andersen explains how the average value of the electric field can be determined by dividing the potential difference by the displacement. Equipotential lines can be used to determine the potential in an electric field...
SciShow
Why Our Sewers are Plagued by Fatbergs
Sure, throwing grease down the drain is not great for the plumbing in your home, but it can actually cause problems on a much bigger scale in the form of FOGs - also known as fatbergs. And yes, those are as gross as they sound.
SciShow
How the Krack Hack Breaks Wi-Fi Security
After 14 years of going unnoticed, a vulnerability in Wi-Fi security was published last week. It's a serious problem, but it's already in the process of being fixed.
SciShow
The Smallest Star in the Universe
SciShow Space takes you to the smallest star in the universe, and explains how astronomers figured out that's what it was!
SciShow
Why Gravitational Waves Are a Big Deal
Last week, it was announced that we've detected gravitational waves on Earth. Now, Hank explains what that means for the future and why it's such a huge deal.
SciShow
How Protein Shapes Help Us Make Medicine
Coming up with brand new drugs is all about pinpointing and exploiting a disease’s weakness. A big part of perfecting drug design will be learning to predict how proteins get their shapes because that has everything to do with how both...
TED-Ed
TED-Ed: Can you solve the feeding frenzy riddle? | Henri Picciotto
As Numberland's best detective, you thought you'd seen it all. But the desiccated corpses of prominent natural numbers have been showing up all over the city. A lockdown is ordered from sundown to sunrise, and it's still not enough to...
TED Talks
TED: 4 ways we can avoid a catastrophic drought | David Sedlak
As the world's climate patterns continue to shift unpredictably, places where drinking water was once abundant may soon find reservoirs dry and groundwater aquifers depleted. In this talk, civil and environmental engineer David Sedlak...
SciShow
Turns Out, Spiders Use Electricity to Fly
Apparently some species of spiders can fly… and it turns out they don’t even need the wind to do it.
SciShow
Mr. Frosty, the Cancer-fighting Gecko
Not only is this gecko adorned with beautiful coloration, but the same thing that makes it look so pretty could help us understand where some our cancers come from and how to stop them from progressing!
SciShow
Is Australia Trying to Kill You
Australia: An entire continent so infested with deadly creepy crawlies and creatures of all kinds, it seems like it’s actively trying to kill you. But is the natural world really any more dangerous down under than anywhere else?
SciShow
Why can't you tickle yourself?
You might be susceptible to "tickle attacks," but have you ever wondered why you can't tickle yourself?
SciShow
What If Your Ears Switched Sides of Your Head?
We can tell which direction a sound is coming from using just two ears, but how do we do that? What would happen if our ears switched sides?
SciShow
Could We Give Mars a Magnetic Field?
One way to help us live on Mars would be to terraform the planet. Some scientists think we might be able to do that by giving it a new magnetic field!
SciShow
How Close Are We to the Perfect Smart Home?
Want to do more than talk to your refrigerator and control your lights with your phone? Hank explains how close we are to the smart home that can do everything for us.
SciShow
Where Do the Biggest Galaxies Come From?
Submillimeter galaxies are ancient, dense, massive galaxies with up to 10 times the number of stars in the Milky Way, and for a long time, scientists couldn’t even figure out how they existed in the first place.
MinutePhysics
Why is Relativity Hard? | Special Relativity Chapter 1
Thanks to my friend Mark Rober for making the spacetime globe, and to Grant Sanderson (3blue1brown) for inspiration. This is the first in a series of videos about special relativity. This is definitely not an academic course, but it's...