Henrietta Leavitt and the end of the universe

One of the deadliest poisons known to man is now used to treat wrinkles, migraines, and even, maybe, depression. How did that happen? Guests: Jean Carruthers, ophthalmologist and “godmother” of cosmetic Botox. David Simpson, neurologist at Mount Sinai hospital in New York. Axel W ...  Show more

Many alchemical texts are full of bizarre, metaphorical language. But what if there's interesting science hiding behind some of those metaphors? Guest: Lawrence Principe, professor of the history of science and professor of chemistry at Johns Hopkins University For show transcrip ...  Show more

From Sept 11, 2023. While we could spend an entire episode on Earth, there is just too much going on in the universe to linger anywhere too long. From our world, we journey out to look at the super massive black hole in the core of M87, and then Beth Johnson will join us with an ...  Show more

Get ready to explore a 10 billion year old mystery! A closely bound duo of energetic quasars, the hallmark of a pair of merging galaxies, have been discovered when the Universe was only 3 billion years old. What secrets do these quasars hold and why have they lasted so long? Join ...  Show more

Are you ready to uncover the mind-bending secrets of our universe? Join us as we reveal the unexpected truth about the formation of habitable planets and the potential for multiple habitable worlds within a single solar system. You won't believe how many habitable planets could e ...  Show more