What is the proper way to sit at a computer desk? What is the proper way to sit at a computer desk? Adjust the chair height so your feet are flat on the floor and your knees are in line (or slightly lower) with your hips. Sit up straight and keep your hips far back in the chair. The back of...
Did T Rex have wings? Did T Rex have wings? Whatever their limited use, the consensus in recent years seemed to be that they were vestigial, hanging around as an evolutionary remnant from T. rex's ancestors, a little like the wings of flightless birds....