SciShow
Why Can't You Compost Meat?
Composting becomes more widespread and accessible all the time, keeping millions of tons of food waste from ending up in landfills every year. But there is one quirk of some composting programs that can be a little annoying: they don't...
Bozeman Science
Energy Concepts
In this video Paul Andersen explains the different forms and units for energy. A discussion of the laws of thermodynamics is also included. Sample conversion problems using dimensional analysis is also included.
Be Smart
Why Does February Have 28 Days?
Why does February only get 28 days when all the other months get 30 or 31? The answer is part superstition, part politics, and parts astronomy. Basically, it's the Romans' fault.
Be Smart
Do Fish Pee?
You know you’ve wondered. Do fish actually pee? And what does that make the ocean… one big toilet?
MinuteEarth
Climate Change - The View From MinuteEarth - #OursToLose
Want to learn more about the topic in this week's video? Here are some keywords/phrases to get your googling started: greenhouse gases, climate change, radiative forcing,
TED Talks
TED: An intergalactic guide to using a defibrillator | Todd Scott
If Yoda goes into cardiac arrest, will you know what to do? Artist and first-aid enthusiast Todd Scott breaks down what you need to know about using an automated external defibrillator, or AeD -- in this galaxy and ones that are far, far...
Crash Course
Stoichiometry: Chemistry for Massive Creatures - Crash Course Chemistry
Chemists need stoichiometry to make the scale of chemistry more understandable - Hank is here to explain why, and to teach us how to use it. Table of Contents Atomic Mass Units 2:24 Moles 5:12 Molar Mass 5:59 Equation Balancing 8:45...
Crash Course
Cybersecurity: Crash Course Computer Science
Cybersecurity is a set of techniques to protect the secrecy, integrity, and availability of computer systems and data against threats. In today’s episode, we’re going to unpack these three goals and talk through some strategies we use...
SciShow
How the Keto Diet Went from Arctic Staple to Bro-Science
The keto diet is a high fat, low carb diet that proponents say is not just great for losing weight, but is good for your brain health, too. Does the science behind the diet back those claims up? We delve into the origin of the keto diet...
SciShow
Can Hot Tubs Make You Sick?
Soaking in a hot tub is a great way to relax your tired body, but it also comes with some microbial risks.
SciShow
The Science of Flint's Water Crisis
The water crisis in Flint, Michigan is a prime example of science being ignored, unknown, or even misused. Here's the chemistry behind how so many things went wrong.
TED Talks
Alain de Botton: A kinder, gentler philosophy of success
Alain de Botton examines our ideas of success and failure -- and questions the assumptions underlying these two judgments. Is success always earned? Is failure? He makes an eloquent, witty case to move beyond snobbery to find true...
Crash Course
More EAS & Benzylic Reactions: Crash Course Organic Chemistry
We’ve already learned a lot about electrophilic aromatic substitution (EAS) and benzene, but guess what? There’s even more to learn! In this episode of Crash Course Organic Chemistry we’ll revisit our old friends the Friedel-Crafts...
TED-Ed
TED-ED: Can you solve the seven planets riddle? - Edwin F. Meyer
Your interstellar police squad has tracked a group of criminals to a cluster of seven planets. Now you must apprehend them before their reinforcements arrive. Of course, the fugitives won't just stay put _ they'll try to dodge you by...
TED-Ed
TED-Ed: How can we solve the antibiotic resistance crisis?
Antibiotics: behind the scenes, they enable much of modern medicine. We use them to cure infectious diseases, and to safely facilitate everything from surgery to chemotherapy to organ transplants. But we’ve stopped discovering new ones...
TED Talks
Taylor Wilson: My radical plan for small nuclear fission reactors
Taylor Wilson was 14 when he built a nuclear fusion reactor in his parents' garage. Now 19, he returns to the TED stage to present a new take on an old topic: fission. Wilson, who has won backing to create a company to realize his...
TED Talks
TED: The funding gap in start-up investing | Temie Giwa-Tubosun
It is time to close the funding gap for Black female-led start-ups the world over, says entrepreneur Temie Giwa-Tubosun, whose company LifeBank delivers life-saving medical supplies to remote areas in Africa. Today, LifeBank operates...
TED Talks
TED: These robots come to the rescue after a disaster | Robin Murphy
When disaster strikes, who's first on the scene? More and more, it’s a robot. In her lab, Robin Murphy builds robots that fly, tunnel, swim and crawl through disaster scenes, helping firefighters and rescue workers save more lives safely...
SciShow
The Research-Backed Secrets to Getting Inspired
Inspiration can be a hard thing to pin down, but scientists actually have found evidence-backed ways to encourage it to happen!
SciShow
Learning About Lightning from Superbolts
If you ask someone to picture a thunderstorm, chances are they will have no problem slipping into a memory of dark clouds and bright flashes screaming out from them. But, incredibly, they’re probably picturing the tame version of...
SciShow Kids
5 Reasons Why Dolphins Are Awesome
Dolphins aren't just smiley and cute! Jessi gives you 5 reasons why dolphins are awesome in this episode of SciShow Kids.
TED Talks
Steven Petrow: 3 ways to practice civility
What does it mean to be civil? Journalist Steven Petrow looks for answers in the original meaning of the word, showing why civility shouldn't be dismissed as conversation-stifling political correctness or censorship. Learn three ways we...
TED-Ed
TED-ED: How does the thyroid manage your metabolism? - Emma Bryce
Nestled in the tissues of your neck is a small, unassuming organ that wields enormous power over your body: the thyroid. Emma Bryce explains how the thyroid, like the operations manager in a company, is tasked with making sure that all...
MinutePhysics
The Origin of Quantum Mechanics (feat. Neil Turok)
The Origin of Quantum Mechanics (feat. Neil Turok)