If you’ve ever picked up an ‘x’ in a word game, you’ve probably asked yourself this question. Find out how many words begin with an ‘x’ in this video. The letter ‘x’ is comparatively rare in English, especially when used to begin words. The dictionary on this website, which covers today’s English, contains about 120 …Continue reading "How many words begin with ‘x’?"
Scientists think they have found a smart way to constrain carbon dioxide emissions – just turn them to stone. The researchers report an experiment in Iceland where they have pumped CO2 and water underground into volcanic rock. Reactions with the minerals in the deep basalts convert the carbon dioxide to a stable, immobile chalky solid. …Continue reading "News: Experiment ‘turns waste CO2 to stone’"