Quality Imprinted, Science, Astronomy, and Science Humor T-Shirts Since 1981
Formula for Caffeine, a tribute to that bitter liquid that gets us moving in the morning, and keeps us plodding along in the afternoon.
Worksheet for medical students drawn in 1538. Double sided. Each bone is labeled in Latin, Hebrew, and various other languages.
Actual x-ray diffraction photographs revealing the helix structure of a DNA molecule.
Portrays the steps from nucleus, to chromosomes, to individual strands of DNA, to base pairs studied by the Human Genome Project.
From 1758, engravings that depict the developmental cycles of a frog.
Structure of theobromine, the chemical in chocolate that makes the nectar of the gods so soothing and enjoyable to us mere mortals.
Audubon’s famous Heron, direct from a hand-painted original print.
Highlighting the plight of some of the world’s most endangered animals, with quote by Albert Schweitzer.
Apollo 17 photograph of the whole earth.
Printed with multi-color glow-in-the-dark ink.