Thousands of years in the making, the Olympics began as part of a religious festival honoring the Greek god Zeus in the rural Greek town of Olympia. But how did it become the greatest show of sporting excellence on earth? Educator Armand D’Angour explains the evolution of the Olympics

The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. That’s some old ink! And considering humans lose roughly 40,000 skin cells per hour, how do these markings last? Claudia Aguirre details the different methods, machines and macrophages (you’ll see) that go into making tattoos stand the test of time.

Your skin is your body’s largest organ … but it might be the most misunderstood, says Dr. Jen Gunter. From sunscreen to cancer and even chocolate, she tackles five misleading myths about skin and shares what you can do to protect it. 

I thought I had lots of fears—thunderstorms, forest fires, bears—but these were not the right kind of fears for driving.

                                   – Margaret Atwood