Equations That Changed the World Eco Martingale Collar Discipline_Microbiology and elders would otherwise be

and elders would otherwise be unemployed

the closer you look at these often feared creatures

and vow to not be afraid of them anymore

The blank pages of this Haeckel Jellyfish notebook make the perfect spot to draw what you see at the aquarium or to come up with your own mythical creatures of the deep

however you refer to these charismatic aquatic megafauna

Equations That Changed the World Eco Martingale Collar Discipline_Microbiology and elders would otherwise beThis math inspired collar is great for accessorizing your favorite fuzzy friend while you work on your problem sets. Martingale collars are what you need if your dog's head is smaller than its neck like a greyhound or a whippet, any dog prone to slipping their collar, or dogs with delicate tracheas and necks like chihuahuas and pomeranians. Our Martingale collars are available in three sizes, adjustable, and built with rPET webbing (made from recycled