This specific SciShow shirt is inspired by our most recent Deep Dive episode, all about a moon rock heist. Protection starts with caring, and you can show that you care by joining the Moon Rock Protection Squad!

We are excited to announce that—at long last—we're publishing an ebook of over 200 of our Traditional Science Poems as a special memento to remember the show by. All of our parody song lyrics, horrible slant rhymes, and basically-children’s-books will live on in this collection of not-all-safe-for-work poetry! *Warning* - Contains adult language This collection also contains 25 original illustrations from artist Josh Quick!

This pin playfully illustrates the strange, and thankfully outdated, historical concept of hysteria. For centuries, unexplained health issues in women were attributed to a "wandering uterus." Doctors believed the uterus could move freely within the body, causing various symptoms. Thankfully, modern medicine has debunked this idea. Originally released in 2018, this pin quickly became a fan favorite, selling out almost immediately. We're excited to bring it back for those who missed out the first time. This hard enamel pin is about 1.25 inches wide and 3/4 of an inch tall and features double clasps so it doesn't go wandering. DETAILS Hard enamel pin Dimensions: 1.25 inches by 0.75 inches (3.175cm x 1.9cm) A SciShow classic pin inspired by this episode

In much the same way as Orcas are teaching each other to attack sailboats off the coast of Spain, there was recently a pod of whales that liked to swim around with dead salmon on their head. Learn more about their mysterious behavior, and buy our bucket-hat here! One size fits most!

This year’s calendar celebrates a quarter century of progress, and it is a collaboration between all of your favorite Complexly YouTube channels! Available now!