Maybe you've heard that drinking beer while breastfeeding is helpful? There seems to be conflicting findings, so check out this episode to dive into the research!

In this video Paul Andersen explains how the polarity of water makes life on the planet possible. Oxygen is highly electronegative and pulls the electrons closely creating a partial negative charge. The polarity of water (and the...

Hank describes how our brains respond biochemically to various addictive substances and behaviors and where those responses have come from, evolutionarily speaking.

Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee.

So, how are people fixing their water problems? In this episode of Crash Course Kids, Sabrina talks about a few different examples how some freshwater sources were good, then bad, then made good again. Also, Sabrina talks about...

Population ecology is the study of groups within a species that interact mostly with each other, and it examines how they live together in one geographic area to understand why these populations are different in one time and place than...

In this video Paul Andersen describes the major parts of an atom and explains how the Bohr Model more accurately represents the location of electrons around the nucleus. Niels Bohr refined the Rutherford model to account for spectra.

400 Parts in a Million - The World's Biggest Experiment

It's time to start talking about some of the terrible things you can do to your own body, like blood doping. We'll start by explaining the structure and function of your erythrocytes, and of hemoglobin, which they use to carry...

From Mendeleev’s original design to physicist-favorite “left-step” rendition, the periodic table of elements has gone through many iterations since it was first used to organize elements 150 years ago - each with its own useful insights...

In this video Paul Andersen explains how energy flows in ecosystems. Energy enters via producers through photosynthesis or chemosynthesis. Producers and consumers release the energy from food through cellular respiration. An...

New ReviewMaster strategic thinking: How to Think Strategically in 10 minutes – for Project Professionals. Strategic Thinking is the #1 skill for advanced Project Managers, and this video is your playbook.

New Review“Global Aquatic Ecosystems” examines the diversity of freshwater ecosystems and marine ecosystems, discussing their varying temperatures, depths, salinities, and biodiversity.

Japan is a high-context culture, meaning that people tend to be less direct and explicit in their communications. They often use physical cues and require communication partners to decode their intent. Consequently, communication in...

Along with many people around the world, the Japanese are becoming increasingly concerned about the environment. Among several environmental concerns being debated, garbage disposal has become, quite literally, a burning issue. Having...

Maintaining harmony is an essential aspect of Japanese business culture, including negotiations. To the Japanese, negotiations are a fluid process based on diligent preparation and mutual respect. Learn more about how indirect...

This video outlines the Linnaean classification system when grouping plants and animals.

Wild vs. Farmed Fish: Which Is Healthier?

Does Microwaving Make Food Harmful?

Howcast - Learn how to make it to the elite gymnastics level in this Howcast video with Dulles Gymnastics Academy.

Howcast - Learn how to make a collage in Photoshop from certified trainer Scott Strong of The Training Farm in this Howcast Photoshop tutorial, part two of two.

Howcast - Learn how to use a bosu ball from personal trainer Rachel Shasha in this exericse ball workout video from Howcast.

Howcast - Learn what desire discrepancy is from couples counselor Victoria Wilson, Ph.D. in this Howcast video.

Howcast - Some fish have levels of mercury so high that it may be harmful, especially for pregnant women and young children. Find out if you may have been exposed to mercury.