Some interesting facts about Boron:
Boron has an atomic number 5 and a mass of 10.81 amu. Its elemental symbol is B. Boron was discovered and isolated in 1808 (by different scientists).
Boron is fairly rare in the universe and on earth, though the boron found on earth occurs in water soluble compounds (borate minerals such as borax). Boron has many applications include glass and ceramics, detergents and bleaching agents, insectisides, semiconductors, magnets, high-hardness and abrasive compounds, sheilding in nuclear reactors, pyrotechnics (green flame), and many more.
If you want to find out more, check out the wikipedia page on Boron.