Toxic mercury in fish increases with ocean warming, overfishing

Based on data and modelling, researchers from Harvard University have found that the amount of toxic mercury (methylmercury) in fish higher in the food chain can change due to two reasons — ocean warming and dietary shifts due to overfishing by humans. Despite a decrease in seawater concentration of methylmercury since the late 1990s, the … Continue reading Toxic mercury in fish increases with ocean warming, overfishing

Editorial: Weird Mercury

Published in The Hindu on October 12, 2011 Our basic understanding of the fundamental aspects of Mercury stands challenged just six months after the Messenger spacecraft settled into orbit around the innermost planet. If the three fly-bys of Mariner 10 in the 1970s and Messenger indicated the strange nature of the planet, the first major … Continue reading Editorial: Weird Mercury

Editorial: Unlocking Mercury’s secrets

Published in The Hindu on April 18, 2011 After a voyage of nearly eight billion kilometres that took over six and a half years, the Messenger spacecraft has settled down to its task of scientifically surveying Earth's enigmatic sibling, the planet Mercury. Recently, the American space probe began sending back images of that far away … Continue reading Editorial: Unlocking Mercury’s secrets