The only letter not appearing on the Periodic Table is the letter "J".
180
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The sun is 330,330 times larger than the earth.
75
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108