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TIL that in a 2017 criminal case, the US government put the secrecy of its hacking tools above all else. Prosecutors chose to drop all charges in a case of child exploitation on the dark web rather than reveal the technological means they used to locate the anonymized Tor user.

Read more arstechnica.com

via reddit.com

YpjeP TIL farmers in Africa use beehives to protect their crops from the largest and arguably most destructive crop pest in Africa: the elephant. Bees can’t sting through their thick hides but they can sting sensitive areas like the eyes, mouth, and inner trunk - they hear the hive buzzing and flee.
0BnR TIL Concorde pilots chased a solar eclipse at Mach 2. They extended it from 7 minutes to 74.
wQGo TIL Aristarcus of Samos became the first to suggest the idea that the Sun was the center of the known Universe in 300 BC. It was subsequently quickly forgotten.
Br6kK TIL of the Okapi, a cousin of the giraffe, with stripes like a zebra on its hind legs and scent glands on the bottom of its feet to track other neighboring okapi.
b67n7 TIL that Seahorses live in the Hudson River. Seahorses are found in temperate and tropical waters all over the world, including the Hudson River, which is home to the Lined Seahorse.