Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
More books are written, published and sold per person per year in Iceland than anywhere else on the planet. One in ten Icelanders will become a published author in their lifetime.
5
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9