Quality Imprinted, Science, Astronomy, and Science Humor T-Shirts Since 1981
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Anyone can make fun of science and education. Sidney Harris finds the humor that comes from within those fields.
Einstein simplified, in three easy steps.
Sidney Harris cartoon featuring what really happens in the operating room. A great gift for the medical professional or student in your life.
Scientific geniuses are human, too. This t-shirt is for everyone who remembers what it was like to solve a problem at the blackboard.
Featured on the cover of Sidney Harris’s You Want Proof book of science cartoons.
Author and cartoonist Sidney Harris muses that while ostriches can’t fly, they are taking the necessary steps to learn how.
Someone has to clean up after all those particle physicists.
From daisy petals to seeds of corn, Fibonacci’s sequence explains numbers found in nature.
So many theories, so little proof.
How mathematicians unwind.
Another great medical cartoon from Sidney Harris and Cotton Expressions.
This Sidney Harris Mars Probe cartoon demonstrates that all is fair in love, war, and interplanetary exploration.
Quantum mechanics meets Detroit iron.
NASA asks for help from the public in finding their missing Mars Lander.
Glow-in-the-dark design answers the most common question asked by visitors to caves.
One of the most underrated risk management strategies: RUN!
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