How Shrimp Shells Are Being Turned Into ‘Carbon Negative’ Fuel, Food and Construction Materials Discarded shrimp shells could soon become more than kitchen waste. Scientists in Singapore have developed a process that converts organic rubbish into hydrogen fuel, protein for aquaculture feed and calcium carbonate, a material used in products such as cement and antacids.The…

A 187-foot-tall dipterocarp tree For decades, scientists believed that the tallest trees faced one of nature’s toughest challenges: Getting water from their roots to leaves hundreds of feet above the ground. Now, a study of towering trees in Southeast Asia suggests some of the world’s tallest flowering plants have evolved specialised systems to overcome that…