In zero gravity, a candle's flame is round and blue.
16
The bark of an older redwood tree is fireproof.
65
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Hot water can freeze faster than cold water.
181
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The only letter not appearing on the Periodic Table is the letter "J".
180