Your everyday science questions answered.
Why do non-ginger parents sometimes give birth to redheaded children?
The strange things that would happen to our planet if we started spinning backwards.
Why do humans faint but giraffes don't? Drs Adam Rutherford and Hannah Fry investigate.
Jim Al-Khalili tells Adam Rutherford about the speed limit of our universe.
Drs Adam Rutherford and Hannah Fry investigate the Earth's shape.
Prof Jackie Blisset says there are evolutionary reasons why toddlers avoid certain foods.
Steve Brusatte explains why some species coped when an asteroid hit 66 million years ago.
Music psychologist Dr Lauren Stewart reveals the methods people use to shift earworms.
