Lost Worlds: Aliens from Earth?

When scientists write their own rules for life, how do they know what could go wrong before it’s too late? This is the final episode of our new three-part series, Life from Scratch. Guests: Kate Adamala, associate professor at the University of Minnesota; David Relman, professor ...  Show more

Synthetic biologist Kate Adamala has been making major headlines as her lab creates cells that feed, divide, and grow — all from nonliving parts. It may sound like sci-fi, but Kate believes that these “not quite alive” cells are key to a renewable future. This is the second episo ...  Show more

Do you believe that life exists on other planets? Well, here's an even more mysterious idea: Have you ever considered that there might have been another civilisation with advanced technology on planet Earth... before humans? Beth and Phil discuss this and teach you some new vocab ...  Show more

If an advanced civilization existed on earth several million years ago, would we actually be able to detect that they were here? It may sound like conspiracy theorist bait, but a serious and balanced look at the question reveals a lot about geology, climate and the search for ali ...  Show more

How likely is it that we’ll find intelligent alien life on other planets? Are there extraterrestrial civilizations that we could contact - or that could contact us? And what would these aliens be like? We’re going to try to answer these big questions with the help of two scientis ...  Show more

As far as we know life evolved once in the universe – here on Earth in the form of life as we know it. Could life have originated in other conditions with different raw materials? If so, we may be sharing the planet with lifeforms we don’t recognize yet.See omnystudio.com/listene ...  Show more