Tag: mantle
Earth’s Gold-Mining Machine
Earth operates an extraordinary natural factory that concentrates gold from barely detectable amounts into rich deposits that humans can mine. How?
Eric Hedin: The Miracle(s) of Metal
Humans have successfully utilized metals for millennia, and trace amounts of metals are crucial to our survival. Is that coincidence or something more?
Metals: From Stars to Cells
Tracing metals back to their ultimate origins, the processes of stellar nucleosynthesis come into focus.
Loving Goodbye…from an Octopus?
Did the science teacher’s octopus really know she was dying? Was she trying to say goodbye?
What Subduction Teaches About Intelligent Design
My PhD research was on the early plate tectonic history on earth. Plate tectonics involves the movement of plates on the surface of the earth.