however, they also generally fire their shells in a very high arc, making their flight time long, but able to hit tanks hiding behind rocks and small buildings. it's so precise, he says, that if scientists were using it to measure the age of the universe — roughly 15 billion years — the clock in ye's office would only be off by about a second. the tongue trips; it would prefer to be doing other things. on his legs the rusty male has another x-shaped scar on his right thigh, and a longer one on his left. 