Tsunamis are caused by earthquakes under the seabed. Some tsunamis – including the disaster that hit Japan last year – are unexpectedly large. ¹ú¼ÊÃ×À¼¶ÔÕó¿ÆĪ scientists suggest that their severity is caused by a release of gravitational energy as well as elastic energy.
A display of material from the Sedgwick Museum records archive, on view to the public from tomorrow, offers a rare glimpse into the daily lives of the scientists who changed the way we think about the world around us.
Research shows that a new Ice Age could well have been upon us in the next millennium were it not for increases in CO2 due to humans, despite the advantageous trend in solar radiation of our current age.
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