iron
A piece of Mars to toy with
Lunar souvenirs are slumping, but Martian rocks are soaring as today’s super-rich fight to get the best fragments from space on their desks
Whoever imagined that geology was a lifeless subject?
The shifting rocks of Earth’s crust are part of the planet’s ecology just as much as plants and animals, says Marcia Bjornerud – applying to geology the principle of universal connectivity
