Dorsa Amirさんのイラストまとめ

In 1612, Galileo turned his telescope into a camera obscura to record images of the sun. His sunspot drawings, animated below, track their movement & show they are actually on the surface of the sun, heretically questioning the theory that the sun is perfect & thus spotless.

Very cool illustration of how whales may have evolved, by the talented @JuliotheArtist. I’d always wondered what the transitional forms looked like 🐋

You know when you play peekaboo with a baby and they get really surprised when you pop out again? It's not because they thought you ceased to exist. That is, babies *do* have "object permanence". This is a holdover from Piaget's studies in the 1960s. https://t.co/8ZwNOw0QJT (4/7)

Archaeologists think they were first bred for their colorful feathers, which were used in rituals & textiles. Indeed, you can find evidence of turkeys all over Aztec & Maya iconography, such as the Aztec turkey deity Chalchiuhtotolin, god of disease & plagues. (2/3)

Here’s a more obvious one: the tailbone. This is the ghostly remainder of our lost tails, which were useful for balance & movement in trees. We still grow tails as embryos, but then attack and destroy them in the following weeks. Not the most efficient system. (4/8)

Group psychology simplified.

PSA for all undergrads: the difference between #knowledge and #wisdom.