Animal Eyes

If you’ve ever wondered why the most common color of bubble gum is pink, it is because it was the only dye available. An accountant named Walter E. Deimer, invented bubble gum by stumbling on a unique recipe which made the gum stretchy but not sticky. When it hit the market, the gum sold out in a day!

Dmitri Mendeleyev presented his periodic table of elements at the Russian Chemical society on March 6, 1869. His table was based on increasing atomic weight. It was not, however, the first attempt at organizing the elements. In 1864, Lothar Meyer published a table with the placement of 28 elements.

There are approximately 6,900 distinct languages in existence today, though there may be languages spoken in remote areas that we have yet to discover. No matter how many new languages we find, though, this number will be much lower in 100 years.