Sci-ence. Noun. systematic knowledge of the physical or material world gained through observation and experimentation. Fact. Noun. a truth known by actual experience or observation; something known to be true: Source: Dictionary.com. Bones don't come with labels on them, saying how old they are. Neither do rock layers. Google "dating methods and assumptions" and see what you come up with. Also, do some research on dragon legends, like St. George and the dragon, and Beowulf. Many of the so-called dragon myths may well actually be historical documentation of human encounters with dinosaurs.I don't believe there's anything in science or history that unequivocally proves that humans and dinosaurs didn't or couldn't co-exist.