NASA
Nasa: Sci Jinks: How to Escape Rip Currents
Rip currents can be dangerous. Discover what they are and how you can be safe when they are present.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Southern Ocean Carbon Sink Filling Up Fast
From ABC News in Science, Deborah Zabarenko's article explores the rising danger of the amount of carbon dioxide currently filling up the southern ocean around Antaratica.