Bozeman Science
What is Cancer?
This year, an estimated 1,685,210 new cases of cancer will be diagnosed in the United States, and 595,690 people will die from the disease. Learners define cancer, see how and why it grows in the body, how doctors can treat it, and what...
TED-Ed
Periodic Videos
From hydrogen to ununoctium, this collection of videos has everything you need to begin teaching about the periodic table. Offering descriptions of each element and interesting experiments...
TED-Ed
Cell vs. Virus: A Battle for Health
Viruses act as alien invaders, but our cells are usually quite effective at counterattack. With cartoon animation, viewers learn how DNA is the mastermind behind making antibodies. Immunity rules in this land!
Howard Hughes Medical Institute
The Making of the Fittest: Natural Selection in Humans
Sickle cell disease only occurs when both parents contribute the trait, and mostly in those of African descent. Where did it come from? How did it evolve? Tony Allison, a molecular biologist, noticed a connection between sickle cell and...
Howard Hughes Medical Institute
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
Howard Hughes Medical Institute
The Day the Mesozoic Died
A dynamic, three-part feature explores what caused mass extinction of the dinosaurs at the end of the Cretaceous period. Computer animations, interviews, and on-site footage from around the world divulge evidence that it was the K-T...
Howard Hughes Medical Institute
The Making of the Fittest: Natural Selection and Adaptation
The pocket mouse can be light brown like the sands of the desert, or dark brown like the volcanic lava flows that are interspersed throughout New Mexico's Valley of Fire. It seems that predators have weeded out light colored mice in this...
TED-Ed
How Do Nerves Work?
This lesson won't get on your nerves! Find out how one kind of cell can cause comfort, terror, or pain in your brain. Comic strip and cartoon style animation is used to help explain the transmission of electrical nerve impulses and the...
TED-Ed
How Does Work...Work?
What makes a clock tick or a bulb light up? The concept of work is explained to a backdrop of clever animation. Physics fans learn that the amount of work equals the product of the force and distance, and that the rate equals the amount...
TED-Ed
Does Stress Cause Pimples?
After this video, make sure to give a pop quiz on pimples! The question that is answered is whether or not pimples are caused by stress. Stress hormones give our bodies what we need for a fight or flight, but what happens if we don't do...
TED-Ed
Poison vs. Venom: What's the Difference?
Did you know that poison and venom are not the same? Both are toxic, but poison must be inhaled, ingested, or absorbed, while venom must be injected into a wound. The narrator explains that some toxic compounds may be used for good, as...
TED-Ed
You and Your Microbes
Humans are like planets, hosting a plethora of microbial communities. This concept is explored with vivid narration and animation, bringing to light the benefits of the huge variety of microbes that live in and on our bodies. What a fun...
TED-Ed
Where We Get Our Fresh Water
This fresh resource explores the world's fresh water: where it can be found, and how humans use it. You might be surprised at the variety of domestic uses! Short, but sweet, this feature can be followed by a class discussion using the...
TED-Ed
How to Speed Up Chemical Reactions (and Get a Date)
How are chemical reactions like dating? A collision must first occur! In this hilarious approach to speeding up chemical reactions, viewers find out that five changes can increase the rate of reaction: smaller space, increased number of...
TED-Ed
How Polarity Makes Water Behave Strangely
Water is common? Not really! Learn how the polarity of the water molecule gives it tremendous properties that make is quite unique in the universe. Learners will understand surface tension, adhesion, and cohesion, as well as why these...
TED-Ed
Radioactivity: Expect the Unexpected
Several radioactive concepts are explained with the help of animated atoms, complete with their own facial expressions. As physical science pupils watch, they learn about gaining or losing atomic particles, alpha and beta particles, and...
TED-Ed
Biodiesel: The Afterlife of Oil
Use this slick video to introduce your environmental scientists to the wonders of biodiesel. They will learn about problems caused by our waste oil, how it can be recycled, and other benefits of using biofuels. Use the video, assessment...
TED-Ed
The Motion of the Ocean
What drives the ocean's motion? Get your class moving toward understanding by using this video. Viewers find that thermohaline circulation is caused by the concentration gradients of temperature and salinity. Using adorable animation in...
TED-Ed
The Brilliance of Bioluminescence
Illuminate the darkest corners of your marine biology or life science class with this feature about bioluminescence. Viewers see that luciferase and luciferin combine in a cool, light-producing reaction. This adaptation helps glowing...
TED-Ed
What Is Fat?
An animated fat molecule explains how some fats are beneficial and some are harmful. He describes triglyceride molecules and how the chemical bonding or overall shape determines the health value of each individual type of fat. This...
TED-Ed
If Molecules Were People...
By watching this droll and delightful animation, physical scientists consider what happens when molecules collide. In this film, however, parodic people bump into each other, exchanging limbs in the process, just as molecules might trade...
TED-Ed
What is a Fungus?
After watching a short film about the anatomy and physiology of fungi, discuss with your class the seven provided Think questions, or make up your own. The animation is in the style of colorful artistic drawings and text that appears in...
TED-Ed
The Terrors of Sleep Paralysis
Half of the population experiences sleep paralysis at least once in their lives, and it can be a truly unique and terrifying ordeal. Discover how cultures across the world have offered various paranormal explanations for this phenomenon,...
TED-Ed
How Sugar Affects the Brain
Attention, sugar addicts! Here's why you can't quit the habit. Sweet taste receptors send a signal to the brain, which activates a reward system that responds by telling you to eat again. Over activating this reward system results in a...