Sometimes our behavior and our beliefs just… don’t match. And a lot of times this mismatch can lead to stress. What’s happening in our brains when we’re inconsistent? Can we learn anything from this discomfort?

Please Note: This episode contains post-mortem photographs: those of people taken after their death. If you would prefer not to see those images, please feel welcome to look away from the screen at 0:17 to 0:27 and listen...

Paul Andersen explains how disruptions in homeostasis can affect biological systems at all levels. He uses the example of dehydration in animals to explain how disruptions at the cellular level can affect an organism. He also uses the...

When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land...

Language is an essential part of our lives that we often take for granted. But, if the delicate web of language networks in your brain became disrupted by stroke, illness, or trauma, you could find yourself truly at a loss for words....

The Five Stages of Grief show up in media everywhere from The Simpsons to Robot Chicken, but scientists have long been working on better ways to think about grief.

Juice cleanses or fasts are thought of as a popular way to detox and reboot the digestive system. But, like most fad diets, juice cleanses might not be doing what you think they are.

In keeping with the theme of TED2008, professor Stephen Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.

About 10 years ago, the news was packed with reports about something called colony collapse disorder — a mysterious phenomenon that involved the disappearance of enormous numbers of bees. Then, the news stopped talking about it. So what...

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

Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it. He talks about the anatomy of the skeletal system, including the flat, short, and irregular bones, and...

Today we are talking about death, looking at philosophical approaches from Socrates, Epicurus, and Zhuangzi. We will consider whether it’s logical to fear your own death, or the deaths of your loved ones. Hank also discusses Thomas...

For some women, a simple shot during pregnancy and then right after labor can prevent a huge amount of suffering for both parents and future children. So what happens when there’s a shortage that prevents that shot from happening?

In this science project, you will collect macroinvertebrate samples from multiple points along a body of water, ideally a small creek or stream, and test the pollution burden and biodiversity of small organisms or insects to see if...

Although most Singaporeans are influenced by Western popular culture and media, they are Asian in their social etiquette and customs. They tend to be kind and courteous. Humility, reserve, and modesty are valued. Rarely are they...

The video explores the distinction between theme and universal theme, emphasizing that while a theme is the message of a story, a universal theme resonates with people regardless of their background or time period.

Science Kids Cloning Endangered Species - Pros and Cons

Vera Rubin, a pioneering astronomer, defied societal norms and gender barriers to revolutionize our understanding of the universe. Her groundbreaking work on dark matter,...

This pony is not your average small horse! After losing her home in Hurricane Katrina, Molly has found her happiness in inspiring everyone around her. After a being attacked by a dog, Molly was left with only 3 legs. She was going...

This pony is not your average small horse! After losing her home in Hurricane Katrina, Molly has found her happiness in inspiring everyone around her. After a being attacked by a dog, Molly was left with only 3 legs. She was going...

“The greater the obstacle, the more glory in overcoming it.”



Here's an actress who doesn't know the words 'give up.' Rutanya Alda, originally from Latvia, spent years in a German refugee camp during WWII. Her dream of...

Howcast - The best way to weather the ups and downs of the market is to have a balanced mix of assets. While a diversified portfolio doesn’t guarantee against loss, it can help improve returns over the long-term.

Howcast - Learn what you need to know about a leopard gecko's tail from the animal experts at traveling petting zoo Squeals on Wheels in this Howcast video.

Howcast - Find out if breastfeeding makes your breasts sag from lactation consultant Melissa K. Nagin in this Howcast video.

Howcast - Learn how to maintain independence in a relationship from life coach Stephanie Florman in this Howcast video.