› added 2 years ago

315

TIL that male Mud Dauber wasps have been observed bringing spiders to the nest, and nest guarding, an extremely rare appearance of male parental care, otherwise virtually unknown among Hymenoptera.

Read more humanegardener.com

via reddit.com

Bga6k TIL one of the earliest pregnancy tests was a fish, called a European Bitterling. If injected with a pregnant person's urine, its ovipositor (egg-laying organ) will protrude, indicating a positive result
4XMGa TIL that in August 5, 2013, on the anniversary of its arrival on Mars, the Curiosity rover sung “Happy Birthday” to itself using its tools to create the melody
Xm5D TIL In Shampoo and Moisturiser Ads, “Essential Oils” means that the oil gives off a distinctive scent, not that they’re essential.
pYvwe TIL in 2022 biologists determined there were 6 species of reindeer (caribou) instead of 1
jNM6Q TIL that France’s former African colonies are still required to keep their financial reserves in a French bank earning 0.75% interest. Some call this a continuing colonial tax on the former colonies.