Found in a dizzying array of our favorite beverages, caffeine causes decreased activity of our relaxing neurotransmitter (adenosine) and surge of norepinephrine, keeping us awake and alert.
Give a geek gift that combines art with science! Sophisticated but yet geeky! Each piece of jewelry includes an informational card describing the science that inspired the piece.
Sterling silver pendants are approximately 1 1/2" wide and attached to a 16-18" sterling silver, snake chain with lobster clasp. Made in the USA and packaged in an attractive recycled gift box complete with a ribbon. You can't go wrong with the geek gift of molecular jewelry!