Est. 2025 · curious.org
A carefully curated archive of genuine curiosities — from cosmic voids to overlooked quirks of nature. Delivered with precision, and a measured sense of wonder.
Fact #0047 · Astronomy
The Boötes Void is a near-empty region of space roughly 330 million light-years across. If the Milky Way were inside it, we would not have known other galaxies existed until the 1980s.
Source · Astronomical Journal, 1981
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Biology
Tardigrades — microscopic animals found in almost every habitat on Earth — can survive the vacuum of outer space, temperatures approaching absolute zero, and radiation doses that would kill a human 1,000 times over.
#0051
Language
The word “disaster” comes from the Latin dis (bad) and astrum (star). To be struck by disaster was, quite literally, to be struck by an unfavourable star.
#0050
Mathematics
There are more possible games of chess than there are atoms in the observable universe — by many orders of magnitude.
#0049
Human Invention
Oxford University is older than the Aztec Empire. Teaching there began around 1096 AD; the Aztec capital of Tenochtitlán was founded in 1325.
#0048
Physics
If you removed all the empty space from every atom in the human body, all of humanity would fit into a cube roughly the size of a sugar cube.
#0046