Posts in tag

Seafloor


Image copyright Dowdeswell et al Image caption It’s amongst the best ocean-floor imagery obtained anywhere around Antarctica Scientists are learning just how fast the ice margin of Antarctica can retreat in a warming world. They’ve identified features on the seafloor that indicate the ice edge was reversing at rates of up to 50m a day …

Media playback is unsupported on your device Media captionDr Art Trembanis: “The crater speaks to just terrible, awesome forces” The date was 25 July 1946. The location – Bikini Atoll. The event – only the fifth A-bomb explosion and the first-ever detonation under water. The pictures we’ve all seen: A giant mushroom cloud climbing out …