Cafe History

As more and more parents are choosing not to vaccinate their children or are vaccinating them later, diseases like measles are making a comeback. Are vaccines safe? How do they work? This week we look at why are people afraid of something that has saved so many lives, and look at the history and science of vaccines.

On this episode of mythbusters the team tests out an ancient torture method.

The ubiquitous yin-yang symbol holds its roots in Taoism/Daoism, a Chinese religion and philosophy. The yin, the dark swirl, is associated with shadows, femininity, and the trough of a wave; the yang, the light swirl, represents brightness, passion and growth. John Bellaimey explains why we all contain the spirit of yin and of yang -- and how we can achieve a balance of both in our lives.

How does evolution really work? Actually, not how some of our common evolutionary metaphors would have us believe. For instance, it's species, not individual organisms, that adapt to produce evolution, and genes don't "want" to be passed on -- a gene can't want anything at all! Alex Gendler sets the record straight on the finer points of evolution.

GE ??created a pop-up #EmojiScience ?lab in NYC , and has turned the Periodic Table of Elements into the ?Emoji Table of Experiments?.

The most common misconception about the pyramids is that they were built by slaves. Recent archeological evidence suggests they were instead constructed by paid workers. Some may have performed this work as a form of tax payment for several months of the year. Skilled engineers would have planned and orchestrated the building. An estimated 10,000-20,000 people would have been working on a pyramid at any one point in time. They were well fed and provided with shelter near the pyramids. Plus their burial sites close by indicate they were respected and were not slaves.

Agriculture, hula hoops, SARS, and THIS video: how long did they take to get around the earth?

A misnomer is a word or term that suggests a meaning that is known to be wrong. Misnomers often arise because the thing named received its name long before its true nature was known. A misnomer may also be simply a word that is used incorrectly or misleadingly.

If you are a living, breathing human being, chances are you have felt sad at least a few times in your life. But what exactly is melancholy, and what (if anything) should we do about it? Courtney Stephens details our still-evolving understanding of sadness -- and even makes a case for its usefulness.

This is a short film about how my mom became the owner of a motorcycle for the My Rode Reel competition. More deeply it is about how people use objects to connect with times, ideas, and people.

Fossil fuels have powered human growth and ingenuity for centuries. Now that we're reaching the end of cheap and abundant oil and coal supplies, we're in for an exciting ride. While there's a real risk that we'll fall off a cliff, there's still time to control our transition to a post-carbon future.

Sir Nicholas Winton who organized the rescue and passage to Britain of about 669 mostly Jewish Czechoslovakian children destined for the Nazi death camps before World War II in an operation known as the Czech Kindertransport.

Have you ever made a panorama? Cool! But, have you ever made a panorama consisting of 1920 photos??? No! Check out this little behind the scenes video for such a panorama in one of the most iconic places on earth - Machu Picchu in Peru. As you will see, you're not going to take this one hand-held, and there is a bit of paper work to be done you go there. Travel through the final photo here