The back-end product of a turkey is perfect for electricity production, according to scientists at Ben-Gurion University in Israel. When converted to combustible biomass fuel, it could also reduce greenhouse gases and provide a renewable energy source.
Image: Tony Castro Wikimedia Commons
In eighteenth century Japan, human excrement played a vital role in agriculture. Can similar solutions help manage waste today?
(Image courtesy Wellcome Images, a website operated by Wellcome Trust)
Bird feces contribute nutrient-rich fertilizer to ecosystems. Harvesting them has also been a big business for centuries.