The sea cucumber doesn’t look like much until you really look at it. They’re complicated little creatures. They have complicated little parts. In this case, […]
Progesterone is a hormone released by ovaries. It’s made from cholesterol, which might seem odd. It’s a key component in birth-control pills and in hormone […]
Basking sharks are really big. As fish go, only whale sharks get bigger, and only then sometimes. And both of them eat plankton, not sailors. […]
This is an illustration of a defunct theory. The idea being put forward explains sunspots as the impacts of meteors, which come from the rings […]
Solar systems have a “goldilocks zone” where planets capable of sustaining life forms similar to ours can form. Well, galaxies might also have a goldilocks […]
This is one of the first illustrations in V. I. Feodosiev’s and G. B. Siniarev’s Introduction to Rocketry, an English translation of a Russian text […]
A collection of crustaceans from a book by Amsterdam-based publisher Louis Renard on East Indian sea creatures. The illustrations were apparently done by Samuel Fallours, […]
This is a microscope’s view of a plant’s stem, uploaded to Wikimedia Commons as part of the Estonian Science Photo Competition of 2011, which I […]
This is a star spinning at 2 million kilometers per hour – so fast, it has made itself into its own twirling skirt, its own […]
The American Ornithologists’ Union published a journal called The Auk in 1914, with articles in it like “A Plea for the Conservation of the Eider,” […]
This is a Siemens star, a pattern used to calibrate optical equipment – to see how well the lens (or raster, or driver, or whatever) […]
This is some laboratory glassware used in Pasteur’s experiments, as illustrated in Les merveilles de l’industrie, an 1873 science book that has a marvelous gallery […]
This is… well, let me just quote the preface: This book is intended to show the electronics experimenter how the transistor was developed, how it […]
These are beetles, mostly from southern Asia except the last one, Dexoris, which is from Sierra Leone. These specific beetles became British (perhaps posthumously) and […]
This was one of the attractions in the Machinery Hall of the Great Centennial Exhibition of 1876, a blast engine made by the I.P. Morris […]
Copyright © 2026 | WordPress Theme by MH Themes
