Why do people shout on their phone? What’s with ‘phantom’ traffic jams? And can you be a ‘secret ginger’?
Science sleuths Adam Rutherford and Hannah Fry have been casting their magnifying glasses over these mysteries and more for BBC Radio 4, based on questions from listeners and the BBC Future audience.
Hear their curious cases in the episodes below:
How can non-ginger parents give birth to redheads?
+ Watch our animated explainer about the curiosities of red hair genetics:
What makes traffic jam, and is there a solution?
Why do people shout on their mobile phone?
Why do people faint, and does it serve any useful purpose?
Can we send our waste into the sun?