Summary: Bill Gates is trying to re-invent the toilet and offering a lot of money to do it. Also, there's an ingredient, which you would never believe, in rice that could cause serious harm, Dr. Hoffman discusses before you have your next meal.
Summary: Bill Gates is trying to re-invent the toilet and offering a lot of money to do it. Also, there's an ingredient, which you would never believe, in rice that could cause serious harm, Dr. Hoffman discusses before you have your next meal.