Extraterrestrial Life
Despite decades of searching, we have yet to discover extraterrestrial life. Scientists discuss the reasons, including: Are aliens just too snobby?
Cryptocurrency
Cryptocurrency has made people billionaires, but is digital cash the next revolution? Learn about this anonymous currency and how it's coveted.
The Next Pandemic
If you're not worried about a looming global pandemic, you probably should be. Are we prepared for an outbreak? Bill Gates and other experts weigh in.
The Next Pandemic
If you're not worried about a looming global pandemic, you probably should be. Are we prepared for an outbreak? Bill Gates and other experts weigh in.
Cults
How do cults lure people in and exert control? Learn a cult’s telltale signs, and how loneliness and life online makes indoctrination easier than ever.
Dogs
Who's a good dog? They all are! From puppy-dog eyes to feats of heroism, see how canines evolved into humankind's best friends and sources of pure love.
Why Diets Fail
Atkins. Paleo. Keto. Do any work in the long term? Experts look at marketing, food environments and genes to explain why diets are often unsuccessful.