An entire field of science is dedicated to identifying the perfect indoor temperature. And it's a lot more complicated than simply setting the thermostat to 21 degrees Celsius (70 degrees Fahrenheit).

Buildings are bad news for the climate -- but they don't have to be. While our structures are currently responsible for a third of global energy consumption and emissions, a future where they create more energy than they consume is...

In this episode of Crash Course Psychology, Hank takes a look at a few experiments that helped us understand how we develop as human beings. Things like attachment, separation anxiety, stranger anxiety, and morality are all...

When you really think about it, kissing is an odd human behavior. You know, all the rubbing of our faces all over each other. So there must be a good reason why we do it, right? From motherly comforts to testing the genetic compatibility...

Have you ever wondered why you feel better after a good, hearty sob? Well, it turns out the reasons are kind of a mystery, and they range from social support to brain temperature.

The pandemic spurred an unprecedented reclamation of urban space, ushering in a seemingly bygone era of pedestrian pastimes, as cars were sidelined in favor of citizens. Highlighting examples from across the United States, environmental...

Photographer and TED Fellow Isadora Kosofsky is a chronicler of love, loss and loneliness. In this searching talk, she shares photos from her four years documenting the lives of a senior citizen love triangle -- and reveals what they can...

Matthew O’Reilly is a veteran emergency medical technician on Long Island, New York. In this talk, O’Reilly describes what happens next when a gravely hurt patient asks him: “Am I going to die?”

Dr. Harry Harlow's rhesus monkey experiments in the 1950s contributed a great deal to psychologists' understanding of attachment theory. Unfortunately, his later experiments also contributed a great deal to the need for ethics regulations.

Vincent Cochetel was held hostage for 317 days in 1998, while working for the UN High Commissioner on Refugees in Chechnya. For the first time, he recounts the experience — from what it was like to live in a dark, underground chamber,...

Luvvie Ajayi isn't afraid to speak her mind or to be the one dissenting voice in a crowd, and neither should you. "Your silence serves no one," says the writer, activist and self-proclaimed professional troublemaker. In this bright,...

In her quest to become a world-famous violinist, Ji-Hae Park fell into a severe depression. Only music was able to lift her out again -- showing her that her goal needn’t be to play lofty concert halls, but instead to bring the wonder of...

Hank gets all up in your face about kissing -- where does it come from, why do it we do it, and do other animals do it? From ancient India to that date you were on last night (which we won't tell anyone about if you won't), we explore...

We've all been flying high ever since the development of the jet engine in the mid-1950s. But why were jets were designed to fly at those high altitudes in the first place?

During the hot summer months, watching an outdoor sports match or concert can be tantamount to baking uncomfortably in the sun -- but it doesn't have to be. At the TEDxSummit in Doha, physicist Wolfgang Kessling reveals sustainable...

In the words of Poet Henry Wadsworth Longfellow, "Music is the universal language of all mankind." For Tenor Saxophonist Dusty Rhodes, this is the anthem that he lives by.



Prior to embracing the magic of...

Dedicated workers established The Animal Shelter of Texas County to help the hundreds of abandoned animals in their community.

Supportive service dogs are changing the lives of military veterans through their unconditional love and emotional support. Witness the incredible impact American Humane’s Shelter to Service program has had on veterans and dogs.

Bear has a natural affinity to children, making him the perfect therapy dog for children at Randall Children’s Hospital.

In the words of Poet Henry Wadsworth Longfellow, "Music is the universal language of all mankind." For Tenor Saxophonist Dusty Rhodes, this is the anthem that he lives by.



Prior to embracing the magic of music, Dusty was at...

Howcast - Learn about the Book of Isaiah in this Howcast video with Reverend Dr. Timothy Coombs.

Howcast - Learn how to buy a bass guitar from musician John Sutton in this online guitar lesson from Howcast.

Howcast - Learn how to play "God Rest Ye Merry Gentlemen" on piano from musician Paul Sandberg in this Howcast video.

Howcast - Learn the legs up the wall pose for prenatal yoga from fitness expert Cait Morth in this Howcast workout video.