Loading player...
Why can't I eat fruit? How well do polar bears smell, and how do we know? How does marijuana affect your brain? How does pepper spray work?
Other recent episodes
Do we all see colours the same way?
On this week's show, why dogs don't live as long as humans. Also, why do we feel cold when our skin is warm to the touch? Do we all see colours the same way? Do animals experience embarrassment? If photons head towards two small slits, do they only pass through…
Can white skin transplanted to a black person change colour?
This week Clarence Ford and Dr Chris discuss NASA's DART mission to defect an asteroid, why we can't tickle ourselves, whether lung capacity affects the heart, if white skin transplanted to a black person changes colour, why some people are more ticklish than others, how scientists are able to read…
Why do we get a falling sensation as we drift off to sleep?
This week, Dr Chris Smith and Sara Jayne Makwala King get to the bottom of IBS, why women living together often synchronise menstrual cycles, why we get a sudden falling sensation when dropping off to sleep sometimes, and if Earth suddenly stopped spinning, what would happen first? Also, are the…
Is there an evolutionary advantage of golf?
In this week's show, how scientists discover Russia's use of frog neurotoxin epibatidine to kill political opponent Alexei Navalny, why some people are more vulnerable to dental problems, why does a full bladder make me feel sick, how is gum disease linked to heart disease, where do the clouds surrounding…
What is foot-and-mouth disease?
How did life on Earth begin? Why is glass clear when sand is opaque? What is foot-and-mouth disease? Why do some people's accents change when they emigrate? What is trigeminal neuralgia? What is decided before drug trials take place? What's the difference between colloidal silver and quantum silver? Is Lyme…