Every second last year, the Earth's oceans absorbed the energy equivalent of 12 Hiroshima-sized bombs. This is according to a report just released in Advances in Atmospheric Sciences , compiled by 31 international institutions. So what's the significance of this? When most of us think about the effects of global warming -- and what's largely reported in popular media -- we think about terrestrial impacts: drought, wildfires, water shortages, crop failures, more severe weather events,...