Ordinary lightning is well understood. It is a fast, enormous electrical discharge, it lasts a fraction of a second, it leaves physical traces, and it can be measured, photographed, and…
Source: Wikipedia
There is a particular category of scientific discovery that requires no advanced equipment, no expedition, and no funding: simply noticing that something in front of you does not belong.…
The number of continents is one of the first facts most people are taught about the world, and one of the least questioned. Seven: Africa, Antarctica, Asia, Australia, Europe, North…
Picture the two places side by side. On one side of the Atlantic, the Sahara: the largest hot desert on the planet, stretching across the northern third of Africa, defined…
In the Southern Hemisphere summer of 1997, a team from the National Oceanic and Atmospheric Administration was doing routine work: monitoring an array of underwater microphones, or hydrophones, positioned to…
There is nothing quite like looking into a crater and understanding, in a physical way, that the ground you live on is a thin crust over something enormous. These fourteen…