Climate crisis knitting
How do you visualise climate change simply and evocatively? Well, you could knit it.
Category: Earth science
Shallowest sea
The Sea of Azov, between Ukraine and Russia, is never more than fourteen metres deep. Parts of the sea are shallow enough to wade across.
Doomsday Glacier
Thwaites Glacier, in West Antarctica, is roughly the size of Florida. This glacier alone contributes four percent of the global rise in sea levels, and if it melted completely oceans would be 65cm higher – hence its alternative name, the Doomsday Glacier.
The sound of hell
An urban legend from the late 1980s claimed that Soviet scientists had drilled so far down they hit hell – and brought back an audio recording of the suffering souls. But it was actually Baron Blood.
Largest caves
Gruta Casa de Pedra in Brazil has the largest cave mouth in the world – it is higher than the Great Pyramid of Giza. But the largest cave chamber in the world is larger still.
Orinoco flow
By discharge volume, the Amazon and the Orinoco are the largest and fourth largest rivers in the world. The Casiquiare River in Venezuela connects them.
Farthest mountain
The summit of Chimborazo, a volcano in Ecuador, is two kilometres farther from the Earth’s centre than Mount Everest.
Blue lava
The sides of Kawa Ijen, a volcano in Indonesia, are wreathed in blue flame.
Highest unclimbed mountain
It is illegal to climb Gangkhar Puensum in Bhutan, so no-one has ever reached the top. It is the highest unclimbed mountain in the world.
January weather
According to Las Cabañuelas lore, you can predict the weather for the whole year based on the weather of each day in January.
The shadow of the volcano
What do the bicycle, Marmite, Mormonism, and Frankenstein have in common? A volcano in Indonesia.
Darwin crosses a line
On 17 February 1832 – at the bidding of Neptune, god of the sea – Charles Darwin was blindfolded, his face covered in paint and pitch, and he was dunked into a water bath. He had crossed the line for the first time.
Secret volcano
In 1943 a new volcano arose in Hokkaido. The Japanese government managed to keep it a secret for several years.
Singing sand dunes
In a few places around the world sand dunes make a sound like a sad tuba when you walk on them.
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.
Light of the rocks
Radiocarbon dating only works on organic material, so how do you accurately measure the last time rocks and sediment saw sunlight? Luminescence dating.