Travis teaches a wide variety of science, biology and nature topics. While his educational style is wacky and obscure, his scientific knowledge is detailed and sound.Travis teaches a wide variety of science, biology and nature topics. While his educational style is wacky and obscure, his scientific knowledge is detailed and sound.Travis teaches a wide variety of science, biology and nature topics. While his educational style is wacky and obscure, his scientific knowledge is detailed and sound.