You've tried all sorts of diets, you work out regularly, and you avoid fatty foods, yet still nothing seems to take off those extra pounds eh?
On a previous show we discussed how, every 250,000 years or so, the north and south poles switch places. Not that the places themselves move, rather, the entire magnetic field of the earth flips around, resulting in the pole we now call north being on the southern tip of the planet, and vice versa. Why does this happen? Learn more on this Moment of Science.