You might not know it, but you very likely use bitumen every day.
Earthworms swallow soil, extract nutrients from it, then excrete the rest up onto the surface.
You probably feel like your sleeping schedule is out of whack in some manner. Either you sleep too much, too little, or wake up too often. In fact, the typical eight hour uninterrupted sleep is what’s really unnatural. Learn more on this Moment of Science.