HumansEvery human culture includes cooking – this is how it beganCooking makes food more digestible and kills off bacteria, and every human society in the world does it. But where and when it started is hotly debatedFeatures
EarthFirst farm to grow veg in a desert using only sun and seawater The world's first commercial seawater greenhouse has been launched in Australia, using solar power and desalinated seawater to grow tomatoes in a desert News