You've heard for years that the French and Japanese are much thinner than Americans because of their diets. A new mathematical model assesses why that is and how much thinner Americans could be if they changed their eating habits.
The country's largest solar installer of 2014, declared it had figured out how to install solar panels atop small and medium businesses while also turning a profit – potentially opening a market estimated to be worth at least $10 billion a year.
Australian engineers are working on patches that can detect all sorts of environmental hazards, like UV radiation and toxic gas. Stretchy and transparent, the sensors would stick to the skin, like a nicotine patch, or be sewn into clothing.
Shama Bibi has recently become a "Light Lady", one of the women that the Buksh Foundation, a non-profit organisation in Lahore, has trained to help spread the benefits of solar energy throughout rural Pakistan.