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…
Source: Wikipedia
Almost everything alive on the surface of this planet runs, ultimately, on sunlight. Plants capture light and turn it into sugar. Animals eat the plants. Other animals eat those…
Source: Wikipedia
In the frozen heart of Antarctica, in a stark region of ice and bare rock, there is a sight so startling it seems to belong in a horror film:…
Source: Wikimedia Commons
Every July 25 marks the birthday of a scientist whose name most people now know, and whose actual work most people could not describe. Rosalind Franklin was born…