During an expedition to search for a famed shipwreck, researchers discovered something unexpected: striking geometric patterns on the floor of Antarctica’s western Weddell Sea created by fish. https://cnn.it/3Lf9zeK | CNN

23K views · 212 reactions | What happens when melting glaciers awaken the volcanoes beneath? Could climate change trigger a chain reaction of eruptions that worsen global warming? Recent studies from Patagonia and Antarctica reveal a hidden danger lurking beneath the ice. How close are we to this volcanic threat, and what does it mean for our future? | The Brain Maze | Facebook