MinutePhysics
Why is it Dark at Night
Have you ever wondered why you look up and see a dark sky at night?
MinutePhysics
TOP 10 REASONS Why We Know the Earth is Round
TOP 10 REASONS Why We Know the Earth is Round
SciShow
Is the Bystander Effect Real?
How much does the presence of other people affect our willingness to step in when someone needs help?
SciShow Kids
Make Your Own Sundial!
Squeaks broke his watch! Luckily Jessi knows of a handy way to tell time, with a sundial!
SciShow
How Plants Tell Time
Plants don’t have brains or muscles, and yet some of them can perform such feats as eating insects or following the sun. Scientists haven’t completely figured out how this happens, but they do have some pretty strong leads.
TED-Ed
TED-Ed: Nature's fortress: How cacti keep water in and predators out | Lucas C. Majure
If you were a jackrabbit in the desert, you'd be glad to stumble across a cactus: the flesh of these plants is a water source for many animals. Known for their spines and succulent stems, cacti of all shapes and sizes have evolved to not...
SciShow Kids
Let's Explore Space!
It's a big day for Jessi and Squeaks because they've finally finished their brand new observatory! Join them as they try out their new telescope and take a look back at a compilation of everything we've learned about space so far!
SciShow
What Parental Burnout Looks Like (and How to Avoid It)
Raising children is not easy, and parents can get burnt out just like anyone else. But research shows that parental burnout seems to be unique compare to other kinds of burnouts.
TED-Ed
TED-Ed: The famously difficult green-eyed logic puzzle - Alex Gendler
One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the answer to one famously difficult logic puzzle. Can you solve it? Alex Gendler walks us through this green-eyed...
Crash Course
Probability Part 1 Rules and Patterns - Crash Course Statistics
Today we’re going to begin our discussion of probability. We’ll talk about how the addition (OR) rule, the multiplication (AND) rule, and conditional probabilities help us figure out the likelihood of sequences of events happening - from...
TED Talks
Matt Walker: Sleep is your superpower
Sleep is your life-support system and Mother Nature's best effort yet at immortality, says sleep scientist Matt Walker. In this deep dive into the science of slumber, Walker shares the wonderfully good things that happen when you get...
SciShow Kids
What Is the Sun?
Squeaks can't sleep because the sun is too bright, and Sam the Bat stops by to talk about what makes the sun so special DCI: ESS1.A: Patterns of the motion of the sun, moon, and stars in the sky can be observed, described, and predicted.
TED Talks
TED: The colorful, shapeshifting wonder of the Amazon's praying mantises | Leo Lanna and Lvcas Fiat
In this captivating talk, journey into the surprisingly colorful nights of the Amazon Rainforest, as artistic entomologist Leo Lanna and designer Lvcas Fiat introduce us to the shapeshifting wonder of a creature they've fallen in love...
SciShow
The Teenage Brain Explained
Being a teenager is hard. Especially when hormones play their part in wreaking havoc on the teenage body and brain. In this episode, Hank explains what is happening to the during the angsty-time. ----------
SciShow Kids
Why Do We Need Sleep?
Jessi stayed up too late, so she's feeling really tired. Luckily, she isn't too tired to tell you all about what happens when we sleep and why we feel so terrible when we don't get enough sleep!
Crash Course Kids
Earth's Rotation & Revolution
So, have you ever wondered why we have seasons? Or maybe where the sun goes when it's night time? *Hint: It doesn't actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth's rotation and revolution and...
SciShow Kids
Amazing Ways to Live in the Desert!
Life in a desert can be tough, but the plants, animals, and people that live there have some special skills to help them survive!
SciShow
9 Groundbreaking Discoveries About Sleep
There's a lot about sleep that we don't understand, like why we even sleep in the first place, for example. Here are some amazing discoveries biologists have made while trying to solve the mystery of sleep.
Bozeman Science
ESS1A - The Universe and its Stars
Paul Andersen describes our place on the Earth in the Solar System within the Milky Way Galaxy in the Universe. The make-up and origins of the Universe are included along with stellar evolution. A teaching progression K-12 is also included.
Bozeman Science
Population Variation
Paul Andersen explains the importance of genetic variation within a population. He begins with a discussion of the devil facial tumor that is a form of cancer transferred between Tasmanian devils. He then explains how a decrease in...
Crash Course
Japan, Kabuki, and Bunraku: Crash Course Theater #23
We're headed back to Japan, this time in the Edo period to follow up on Noh theater, which had gone out of style last time we checked in. Now, under the Shoguns, there's couple of really interesting types of drama on the scene. Kabuki is...
Crash Course
All Night Demon Dance Party - Kathakali: Crash Course Theater #24
This week, we're headed back to India to learn about the all night dance shows that culminate in killing a Demon (metaphorically): Kathakali! This form arose in the Kerala region of India, and tells traditional Indian stories, but with...
Crash Course
To Sleep, Perchance to Dream - Crash Course Psychology
Why do we sleep? Well... that's a tricky question. More easily answered is the question,"How do we sleep?" In this episode of Crash Course Psychology, Hank discusses some of the ways our brain functions when sleeping and how it can...
Crash Course Kids
Measurement Mystery
So now that we know what Properties are, how can we use them to figure things out? In this episode of Crash Course Kids, Sabrina uses them to solve the mystery of what she tripped over last night. This first series is based on 5th grade...