Astronomy$305
Learn the night sky by name, from planets to galaxies a million years away.
Hold history in your palm and chase the coins that tell its story.
Sit, watch, and read the quiet stories strangers tell without words.
Trace borders, history, and tiny artwork across a lifetime of stamps.
Genealogy$96
Trace your family back through records, names, and dead ends.
Meteorology$232
Read the sky and the data well enough to call tomorrow's weather.
Map how people tick through the frameworks that try to explain us.
Help real research by counting, measuring, and logging what you observe.
Cryptography$17
Make and break codes, the math that keeps secrets secret.
Chase the evidence behind creatures science hasn't confirmed.
Entomology$69
Get close to the insect world, and collect, identify, and understand it.
Dig carefully and read the past straight out of the dirt.
Cook from centuries-old recipes the way they were actually made.
Live a day in another century, down to the buttons.
Dig up the forgotten stories of the streets you live on.
Mycology$67
Learn the hidden kingdom of fungi from the forest floor up.
Record the stories people carry before they're lost.
Collect postcards and the small histories printed on their backs.
Invent a world's history, maps, and peoples in believable detail.
Epigraphy$58
Read what was carved in stone thousands of years ago.
Ethnomusicology$100
Understand cultures through the music they make and why.
Collect old maps and the vanished worlds they drew.
Paleography$240
Learn to read handwriting that's been illegible for centuries.
Invent alien life that evolves by real biological rules.
Vexillology$16
The study and design of flags: why they look the way they do, and how to design a great one.