history

Image description: Text, magazine lettering, and toys on top of a background of colorful square pieces of paper. Text in the upper left corner reads "Astronomy on Tap C-U Presents" and the magazine lettering below reads "A Complete History of the Atoms in Your Body". At the bottom the speaker name, "Alex Deich", and to the right "YouTube livestream, Thursday Jan 21, 6-7p cst".