He earned his A.B. in physics from Princeton University in 1987, where he was a member of the Princeton Tower Club. He did his graduate studies at the University of California, Berkeley where he earned an M.A. degree in astronomy in 1990 and a Ph.D. degree in astronomy in 1994.
The sulfur-rich foods most commonly associated with foul-smelling flatulence are eggs, meat and cauliflower. Cruciferous vegetables such as broccoli, cabbage, kale, mustard greens, collards and Brussels sprouts are also high in sulfur and can cause smelly gas.airy Products. Dairy products -- those made from cow's milk -- can sometimes cause foul-smelling flatulence, because many people cannot properly digest lactose, or milk sugar. The condition, known as lactose intolerance, is caused by a lack of the proper enzyme, lactase, to break down the lactose.
At low levels, hydrogen sulfide gas has a strong odor similar to rotten eggs. You can smell hydrogen sulfide gas at lower levels than may cause health effects, so smelling the gas does not always mean that it will make you sick. However, at higher levels, your nose can become overwhelmed by the gas and you cannot smell it. At higher levels, hydrogen sulfide gas can make you sick and could be fatal. Hydrogen sulfide gas occurs naturally in crude petroleum, natural gas, volcanic gases and hot springs. It can also result from bacterial breakdown of organic matter and be produced by human and animal wastes.