Bozeman Science
The Muscular System
Paul Andersen explains the three types of muscle found in humans; striated, smooth and cardiac muscle. He explains how actin and myosin interact to contract the sarcomere in a muscle. The sliding filament theory explains how ATP and...
Bozeman Science
The Skeletal System
Paul Andersen describes the important features of the skeletal system. He starts by comparing and contrasting endoskeletons and exoskeletons. He then explains how the human skeleton provides support, movement, storage, blood production...
Curated Video
The Best Way to Get the Calcium Your Bones Need
We all know that calcium is important for strong bones and teeth and there are many different ways to get the calcium you need. Two main forms of calcium supplements are calcium carbonate and calcium citrate. They're both easily absorbed...
Curated Video
Portal 2 Walkthrough / Chapter 6 - Part 4: Repulsion Gel Room 2 of 3
Howcast - Check out this Portal 2 walkthrough and beat Chapter 6 - Part 3: Repulsion Gel Room 2 of 3 with this online demo.
Curated Video
How to Cope with Sensitive Teeth
Howcast - Learn how to cope with sensitive teeth from Shane Methal DDS in this Howcast video.
Curated Video
What Are Common Diseases in Leopard Geckos?
Howcast - Learn about common diseases in leopard geckos from the animal experts at traveling petting zoo Squeals on Wheels in this Howcast video.
Curated Video
Should Pregnant Women Take a Prenatal Vitamin?
Howcast - Learn if pregnant women should take a prenatal vitamin in this Howcast video
Curated Video
What Is a Calcium Supplement?
Howcast - Learn what you need to know about calcium supplements from registered dietician Glen Tobias in this Howcast video.
Curated Video
How to Tweak Supplements for a Weigh-In
Howcast - Learn how to tweak your supplement-taking for weigh-ins from registered dietician Glen Tobias in this Howcast video.
Curated Video
Should Everyone Take Calcium Supplements?
Howcast - Learn who needs to take calcium supplements from registered dietician Glen Tobias in this Howcast video.
Curated Video
How Is Bone Growth Affected in Girls during Puberty?
Howcast - Learn about how puberty affects female bone growth from Jennifer Wider, M.D. in this Howcast video.
Curated Video
3 Healthiest Foods You're Not Eating
Howcast - Learn about the three healthiest foods you're probably not eating from nutrition expert Alex Jamieson in this Howcast video.
Curated Video
How to Get Enough Calcium to Build Muscle
Howcast - Learn how to get enough calcium to build muscle from DreamBodies' Tony DiCostanzo in this Howcast bodybuilding diet video.
Curated Video
How to Follow Nutrition Guidelines for Women's Health
Howcast - Follow these nutritional guidelines for women to lower your risk of disease and cancer.
Curated Video
How to Create Healthy Recipes for Pregnancy
Howcast - Find healthy recipes during pregnancy to ensure the baby is eating right and you are physically prepared for the delivery.
Curated Video
How to Buy Vitamins for Men's Health
Howcast - With so many products on the market, it's difficult to know what to purchase. Make sure the vitamin supplements you take are effective for your body's needs and your unique health concerns.
Curated Video
How to Relieve PMS Symptoms
Howcast - If you're among the 85 percent of women who suffer from PMS, or premenstrual syndrome, take heart. These remedies will soothe your symptoms.
Curated Video
How to Soothe Heartburn
Howcast - Waking up in the middle of the night with heartburn is no fun. Fortunately, there are some simple remedies for fast heartburn relief.