مؤلف: Marshall Brain

Marshall Brain is the bestselling author of the How Stuff Works series and a professor at the Engineering Entrepreneurs Program at NCSU. He has appeared on Oprah, Dr. Oz, Good Morning America, CNN, and in many other media outlets to apply his signature approach to unraveling the mysteries of life. Brain was also the host of the National Geographic Channel”s The Factory Floor TV show. He lives in NC.