Hi, what do you want to do?
SciShow
When Will We All Die?: The Statistics of Human Extinction
Go to href='http://curiositystream.com/scishow' target='_blank' rel='nofollow'>to to start streaming The Joy of Chance. Use the promo code ‘scishow’ during the sign-up process to get your first 30 days free. We humans like to think...
MinuteEarth
How Many Mass Extinctions Have There Been?
Thanks to Audible for supporting this video. Get your free 30-day trial at href='https://www.audible.com/minuteearth' target='_blank' rel='nofollow'>at Thanks also to our Patreon patrons: Today I Found Out, Maarten Bremer, Mark Roth,...
SciShow
What Happens to an Email After You Click "Send"?
Email is one of the most essential things to our life. But do you actually know what happens when you click the “send” button, and how it's sent to your friends? Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow...
SciShow
Where Are All the Electric Airplanes?
Clean, renewable energy is becoming more and more common in our everyday lives. But, as our cars and buildings become more green, tens of thousands of airplanes fly every day using petroleum-based fuel, and there's seemingly no end in...
SciShow
When Three Species Combine: Multi-Species Hybrids
Hybrid organisms are rare, and most end up sterile, like mules. But sometimes, three or more species come together to create multi-species hybrids, and they can and have been really useful. Skillshare is offering SciShow viewers two...
Curated Video
Can You Solve The Alien Extinction Riddle? Hard Job Interview Question
A single alien lands on Earth. Every day after that, each alien on Earth undergoes a transformation, which could be any of the four equally likely events: (a) the alien dies, (b) the alien does nothing, (c) the alien replicates itself (2...
American Chemical Society
How Does Fluorescence Work?
Here's a video that will light up your day! Young scientists learn about fluorescence by watching an engaging video in the ACS Reactions series. They also study the uses of fluorescence in microbiology, quantum dots, and forensic science.
MinutePhysics
What is a Dimension? In 3D...and 2D...and 1D
How many dimensions are there? Latitude, longitude, and altitude are accepted dimensions, but what about time or another type of dimension? An engaging video describes how we theorize that we live in three dimensions and which laws of...