Equations That Changed the World Graphic Tee Size:S or planning your next global

or planning your next global adventure

Pack this bag with everything you need for a day of fieldwork or an herbaceous (non-poisonous) picnic lunch

They make great gifts for anyone who loves this theme—including yourself

Let this flask accompany you on your next rock hunting adventure

These notebooks feature alternating dotted lines and sketchbook pages

Equations That Changed the World Graphic Tee Size:S or planning your next globalWear this super soft graphic tee to spark conversations about your latest mathematical research or your latest proof. It'll look smart at your next lecture, in the library, or under a blazer.