Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A cesium atom in an atomic clock beats over nine billion times a second.
43
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
No matter how cold it gets, gasoline will not freeze.
107
Each day, up to 150 species of life become extinct.
-23
Sound at the right vibration can bore holes through a solid object.
134
Billions of neutrinos pass unnoticed through your body every second.
6