Equations That Changed the World Eco Pet Leash Size:Large track the health of the

track the health of the great kelp forest

Here's a robot tee shirt to proclaim your love of science

Just freeze them like ice cubes

Not every day is a trek across the savanna

As the light fades from amber to dusty rose

Equations That Changed the World Eco Pet Leash Size:Large track the health of thePeople say it's bad to be a smarty pants, but it's always good to be a smarty pup! And what better way to show off your dog's intelligence than with a math inspired leash? Made to be both durable and comfortable, our eco leashes are made with recycled soda bottles! In addition to being printed with glorious full color designs in over 20 different scientific disciplines, they're built with a thick rPET webbing, a locking carabiner, a padded handle, a