Studies have shown that crows have impressive cognitive abilities and are capable of identifying individual humans and remembering them over long periods.

The majority of hydrogen in the universe was created in the first few minutes after the Big Bang during a period known as "Big Bang nucleosynthesis."

Sloths can hold their breath underwater longer than a dolphin.

It takes more than 4,000 cochineal insects to make 28g (1oz) of cochineal dye.

#science #sciencefacs #cochineal #cochinealdye #cochinealbugs

https://www.livescience.com/36292-red-food-dye-bugs-cochineal-carmine.html

https://shepherdtextiles.com/guides/cochineal-extract

The biggest constellation in the sky, Hydra, stretches 102 degrees across the sky. Named after a mythical water snake, the constellation’s head sits in the northern celestial sphere while its tail stretches into the southern one.

#science #sciencefacs #hydra #constellation #stars #sky #nightsky #snake #HailHydra

https://www.newscientist.com/article/mg25033302-600-how-to-find-hydra-the-biggest-constellation-in-the-sky/