Mycoplasmas - Stealth Pathogens. By Leslie Taylor January, 2001. Mycoplasmas are a specific and unique species of bacteria - the smallest free-living organism known on the planet. The primary differences between mycoplasmas and other bacteria is that bacteria have a solid cell-wall structure and they can grow in the simplest culture media.
Definition of titanium. : a silvery-gray light strong metallic element obtained from ilmenite and rutile and used especially in alloys and combined in refractory materials, pigments, and coatings â see element table.
Titanium is not a precious metal when you compare it to silver or gold, but if someone is shooting at you and you have a wall to stand behind that is made of Titanium is would be considered the most valuable item in your life. Titanium is light weight, very strong and is able to be made into different shapes. The cockpit of the US Air Force's A-10 (Warthog) is made of Titanium which will protect the Pilot and Co-Pilot/Navigator safe from being shot. I guess it all comes down to what you consider 'valuable'.