Mystery #2Tier 1urine / pigments / hydration
Why is your pee yellow, and paler on some days than others?
Take a look next time you go to the toilet: some days your wee is bright yellow, and some days it is almost as pale as water. It is never blue or green, it always lands somewhere on the yellow scale. So what paints it yellow in the first place?
Your guess
What do you reckon gives your wee its yellow colour?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
Make a guess to unlock the hints and the answer.