Paul Andersen differentiates between biotic and abiotic factors. He explains how both abiotic and biotic factors can affect organisms at the level of the cell, the population and even the ecosystem. The complexities of biofilms,...

There are genetic mutations in the population today that can grant people some seemingly superhuman abilities.

In this video Paul Andersen explains how scientific theories are created and modified over time. He starts by discussing the theory of natural selection as a model for the creation and modification of theories. He gives examples of...

What you don't know about your microbiome may kill you!!! ...or just give you diarrhea.

How do fingerprints form? Even though many people think it's random, a lot of it has to do with your genes!

Using your phone while you're driving isn't a great idea, but people still do it all the time anyway! So why do our brains tell us it's ok to take our attention off the road? Are other distractions, like eating or talking to passengers,...

Public bathrooms are teeming with microbes! You know to wash your hands, but when choosing between a hand dryer or a paper towel to dry them off, what's your cleanest bet?

Media isn’t just movies and newspapers and TV shows, it’s also a part of society that involves a lot of money. And all that money has implications for the media that gets created. Media is created by people -- a range of people, making a...

Paul Andersen details examples of natural selection in the world. He starts by explaining how changes in global temperatures are causing plants to adapt. He explains how mutations cause changes in phenotype which give organisms varying...

Today we're going to take a hike up Mt. Kilimanjaro so we can talk about how the geosphere changes based on many different things. On the same mountain we can travel through many different habitats like rain forests, savannas, and...

So, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it can be really really really destructive. In this episode of Crash Course Psychology, Hank lays out...

If you can recognize when you're being persuaded, it's a lot easier to make sure your opinions are actually your own.

So, it turns out we have an easy time reading emotions in facial expressions, but emotions can straight up kill us! In this episode of Crash Course Psychology, Hank discusses stress, emotions, and their overall impact on our...

We've been hearing a lot of pretty general plans to implement Medicare for all Americans. How would that work? Medicare as it exists today has some coverage gaps. How would that be addressed in Medicare for All?

Gain skills in fair competition, antitrust compliance, and ethical responsibilities. Part 5 covers reporting, assistance, and proper communication practices.

One of the most diverse nations, India is best understood as a land of contrasts. From its vast deserts to its snowy mountain peaks, India is home to many different ethnicities and cultural traditions that can be traced back more than...

A video entitled "How a Bill Begins" that discusses the four types of legislation used in the United States government.

Economic factors, political factors, cultural factors, natural factors can all influence business decisions. If firms are able to plan for the changes that are coming in their business environment they have a better...

Science Kids Chat GPT, Bard and Other Artificial Intelligence - What I Need to Know

The future of AI holds both promise and uncertainty. While it may lead to job displacement in certain industries, it also has the potential to...

“Is it true? Is it kind? Is it you?” Do you think to ask yourself these three key questions before posting anything online?



Dave Anderson and Blake Fleischacker, the co-founders of My Life Online, think you...

How Air Pressure Affects Your Thinking

Howcast - Learn all about nipple piercing from professional piercer Owen Beane in this Howcast video.

Howcast - Learn how diet can affect psychiatric disorders from psychiatrist Ankur Saraiya in this Howcast video.

Howcast - Learn if you can breastfeed if you have breast implants from lactation consultant Melissa K. Nagin in this Howcast video.