Do Aliens Exist?

In this special summer mailbag episode, Marshall and Lindsay help answer three kid questions: How do stem cells decide what to become? How do chameleons change color? and... What is Morse code? This special episode features answers from Jessica Whited, Michel Milinkovich, and Mic ...  Afficher plus

How do cheetahs get their super speed? We talk to a cheetah scientist to find out why a spotted cat is the fastest animal on Earth. Cheetahs are literally built for speed! Anne Hilborn spent months scoping out cheetahs on the hunt in the grasslands of the Serengeti. We’ll discove ...  Afficher plus

Ciaran and Dan delve into one of the biggest mysteries of all time: Are we alone in the universe? With the help of Voyager Golden Record artist Jon Lomberg and more, we try to discover how we might know if something else was out there and if we ever did discover alien life, how w ...  Afficher plus

Are we alone in the universe? If so, why? If not, where is everybody? Thankfully, math can help us with these astronomically profound questions. Keep on listening to learn all about the probability of extraterrestrial life. Read the full transcript here: http://bit.ly/2isqx83 Hos ...  Afficher plus

Scientists have been searching for aliens for decades. But if we ever do get a signal someday, how will we communicate back? And will anyone out there be able to understand us? Guests: Doug Vakoch, president of METI, and Sheri Wells-Jensen, linguist at Bowling Green State Univers ...  Afficher plus

Given the sheer size of the universe, it's overwhelmingly likely that some form of alien life exists - so where the heck are they? Tune in to learn more.