Ever wondered whether we’re alone in the universe? Could there be life out there that we don’t know about yet – and if so how can we say hello? Sarah Scoles is a science writer and the author of Making Contact and tells us more about the search for extra terrestrial life!
We also learn about why we dream, what the US Navy are doing training dolphins, and discover the world's most venomous spider - uh oh!

Marina Ventura and The Micro-Gridders: The Super Squad
05:17

The Circular Trail: a free Time Hunters history walk around the City of London
46:10

Marina Ventura and The Micro-Gridders: The Power Stash
05:25