A sense of time

What do you do when your childhood dream of becoming an astronaut is grounded at the final hurdle?If you’re physicist Ginger Kerrick, you go on to help run the missions instead.After failing the medical of her astronaut application process, Ginger went on to become Nasa’s first n ...  Show more

Here's a little fact you might have heard before: humans are around 70% water. About the same percentage as a sweet potato, incidentally. But what does that actually mean? Sure, there's blood, that accounts for some of it. And the lymphatic system has a fair amount too, sloshing ...  Show more

Have you ever wondered why your dog takes such a long time to sniff a patch of grass? Or why flies buzz around so sporadically? It’s because most of what a creature actually senses is invisible to us. They perceive their world as differently as we perceive our o ...

Do insects see the world in slow motion? Do animals see the same rainbow we do? How do eagles see so far away? Our listeners have a lot of questions about the way animals see the world, and this episode tackles lots of them. We'll visit a lab where scientists are observing predat ...  Show more

Without a sense of time, leading us from cradle to grave, our lives would make little sense. But on the most fundamental level, physicists aren't sure whether the sort of time we experience exists at all. We talk to three experts and find out if time could potentially be moving b ...  Show more

Mathematics and our ability to describe the world in terms of number, shape and measurement may feel like a uniquely human ability. But is it really? Listener Mamadu from Sierra Leone wants to know: can animals count too? CrowdScience presenter Marnie Chesterton goes on a hun ...