There is a common assumption about layered rocks that slate steadily breaks.
The assumption is that a rock which splits into sheets does so along the layers in which it…
Maya Linton
Most of the waiting on a trip is avoidable and is caused by arriving at the same moment as everybody else. Here are ten things that change how much of…
Most rock is worn away mechanically. Limestone is removed chemically, taken into solution and carried off in the water, and a landscape shaped by dissolving behaves unlike anywhere else. Here…
Almost every visible feature of a transmission line is a solution to one of two problems: keeping the electricity in the wire, and keeping the wire in the air. Here…
There is a reason water clocks were difficult and sand timers were easy, and it comes down to a surprising difference between liquids and piles of small solid grains.
A…
There is a process going on beneath almost every lawn, field and garden that is too slow to see and large enough to reshape the ground.
Earthworms eat their way…