Great Filter

Humanity could have a future billions of years long – or we might not make it past the next century. If we have a trip through the Great Filter ahead of us, then we appear to be entering it now. It looks like existential risks will be our filter. (Original score by Point Lobo.) I ...  Show more

Humans have faced existential risks since our species was born. Because we are Earthbound, what happens to Earth happens to us. Josh points out that there’s a lot that can happen to Earth - like gamma ray bursts, supernovae, and runaway greenhouse effect. (Original score by Point ...  Show more

Are we alone in the universe? Are we one of a crowd? This hour, we travel the cosmos with TED science curator David Biello, exploring where we are in the search for alien life. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and t ...  Show more

Could human engineering stabilise the Earth's climate and chemistry in the long term? Tim Lenton of Exeter University explains why the Gaia hypothesis is the key to understanding the future of life on Earth. But what about life beyond Earth? Justin Rowlatt speaks to astronomer Li ...  Show more

Is there life out there in the cosmos? Jorge talks to scientists about whether we are truly alone in the Universe.See omnystudio.com/listener for privacy information. 

For many futurists, the long term survival of humanity depends on its ability to become a true interplanetary and even interstellar species. But what is the potential moral cost of such a great technological and cultural leap forward? In this episode of Stuff to Blow Your Mind, R ...  Show more