First the scientists determined how many kids put carrots and green beans on their trays and how much they ate. (scientificamerican.com)
At first scientists speculated that patients like Willenberg were infected with a weaker version of HIV. (discovermagazine.com)
Mining free hydrogen gas as a primary fuel source could change that, but first scientists need to understand where the gas goes after it's produced. (sciencedaily.com)