01:58 duration 1 minute 58 seconds
1 Scientist, 1 Question, 1 Minute! - What can…
1 Scientist, 1 Question, 1 Minute! - What can volcanic ash layers tell us about the past? Professor Andy Dugmore
What can volcanic ash layers tell us about the past? - Professor Andy DugmoreListen to Professor Andy Dugmore, from the School of Geosciences at the University of Edinburgh, explain what volcanic ash…