In this video, I explain why some reactions explode while others cool, exploring the root cause of chemical energy. I discuss the chemistry behind endothermic and exothermic reactions, which involves ...
A tiny lake in Itasca State Park is revealing secrets about oceanic conditions in earth’s distant past. It may also have a story to tell about the future – and perhaps about Mars.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results