12.31.2021 - By CBC
How close would you have to be to the source of gravitational waves to physically notice them or for them to do damage?; Where does the rubber from tires go?; Why have humans evolved handedness?; What is the evolutionary advantage of menopause?; Rabbits, mice, rats and horses don't vomit. Why is that?; What is the the environmental impact of space flight, and space tourism in particular?; Why do mammals have a body temperature of approximately 36 degrees Celsius?; Can a laser cut through a mirror?; Is scrapping an old gasoline-powered car and replacing it with a new electric one always better for the environment?; If our bodies completely change all their cells over a period of time, shouldn’t scars disappear as new cells replace damaged ones?