There is enough DNA in an average person’s body to stretch from the sun to Pluto and back. 17 times.
The average human body carries ten times more bacterial cells than human cells.
It can take a photon 40,000 years to travel from the core of the sun to its surface, but only 8 minutes to travel the rest of the way to Earth.
At over 2000 kilometers long, The Great Barrier Reef is the largest living structure on Earth.
There are 8 times as many atoms in a teaspoonful of water as there are teaspoonfuls of water in the Atlantic ocean.