Glucose (sugar) has an opposite “handed” isomer L-glucose that tastes identical and isn't metabolized as sugar, so it's safe for diabetics. Unfortunately, L-glucose costs 50% more than gold.
3
Drivers kill more deer than hunters do.
660
Sound travels about 4 times faster in water than in air.
408
Summer on Uranus lasts for 21 years.
358
Water is actually naturally blue.
48
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7