Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Sound travels about 4 times faster in water than in air.
408
Billions of neutrinos pass unnoticed through your body every second.
6
Hot water can freeze faster than cold water.
181
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One barrel of petroleum holds 42 gallons.
20
Sound travels fifteen times faster through steel than through air.
134
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17