Swimming across North America
It’s theoretically possible to swim across North America from the Pacific to the Atlantic, thanks to a strange creek in north-west Wyoming.
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It’s theoretically possible to swim across North America from the Pacific to the Atlantic, thanks to a strange creek in north-west Wyoming.
Radiocarbon dating only works on organic material, so how do you accurately measure the last time rocks and sediment saw sunlight? Luminescence dating.
In 1962 the United States detonated a nuclear bomb in outer space over Hawai’i. It caused an artificial aurora in the sky over Honolulu – and another one over Samoa, more than four thousand kilometres away.
The cookiecutter shark is easily the weirdest shark around: it uses bioluminescence to lure large predators, feeds by suction, sheds whole rows of teeth at once and swallows them, and by weight can be more than one third liver.
Consider three special dice: A, B, and C. On a fair roll, A is more likely to beat B. B is more likely to beat C. But C is more likely to beat A. These are nontransitive dice.
Genes and proteins have been named after Sonic the Hedgehog, the Smurfs, Spock, Pikachu, and the Tinman from The Wonderful Wizard of Oz.
A passenger in the the 1957 Zündapp Janus sits with their back to the driver. The Janus has two doors: the front of the car and the rear of the car.
Every six months the Tonlé Sap River reverses direction.
Sicily and Malta used to be home to a species of dwarf elephant whose remains could have inspired the Greek myth of the cyclops.
Earl Muntz was an American businessperson who made a fortune chopping unnecessary bits out of TV sets. He may have also coined the term “TV” and certainly named his daughter “Tee Vee” too.
Inaccessible Island, in the south Atlantic, is surrounded by steep sea cliffs that make landing and entering the interior nearly impossible.
April 26, 1920, two astronomers publicly debated the structure of the cosmos. Is the Milky Way everything there is, or is it just one of many “island” universes?
One Sunday in 1987, two Chicago TV broadcasts were hijacked by someone with a Max Headroom mask, a voice modulator, and an odd sense of humour. He was never caught.
In the early 20th century, Ben Reitman was a hobo, a doctor, and a doctor for hobos.
The Emei music frog of China advertises the size and suitability of their underground burrow through the acoustic properties of their croaks.
In many parts of the world it is traditional to celebrate by firing guns in the air. But what happens to the bullets?