Indo-Asian News Service: Indian scientists recently carried out a controversial experiment in the ocean near Antarctica to get carbon dioxide captured from the air and stored in the sea. The experiment, meant to combat climate change, was a failure, but the scientists now say they learnt some valuable lessons. The 75-day Indo-German experiment carried out amidst opposition from environmental groups has shown that dumping iron in the Southern Ocean does not help in capturing carbon dioxide (CO2) that is …