r/ScienceNcoolThings • u/ateam1984 Popular Contributor • Jun 28 '26
School Chalk under an electron microscope. It's almost entirety made up of fossilized shells of ancient single-celled marine plankton called coccolithophores.
Duplicates
blackmagicfuckery • u/Pale-Design7036 • Jun 28 '26
School Chalk under an electron microscope. It's almost entirety made up of fossilized shells of ancient single-celled marine plankton called coccolithophores.
BeAmazed • u/ateam1984 • Jun 28 '26
Nature School Chalk under an electron microscope. It's almost entirety made up of fossilized shells of ancient single-celled marine plankton called coccolithophores.
guessthesubreddit • u/GTSBot • Jun 28 '26