Matthew is a mammalian vertebrate who occupies spacetime, where he possesses mass and generates electromagnetic fields. He absorbs and reflects photons, and is currently recycling his own body weig...ver maisMatthew is a mammalian vertebrate who occupies spacetime, where he possesses mass and generates electromagnetic fields. He absorbs and reflects photons, and is currently recycling his own body weight in adenosine triphosphate every day.ver menos