Happy hormones all together! New enamel pins, from left to right: Testosterone, Insulin and Estrogen.

Because we are total nerds, Testosterone boasts a molecular model beard and Estrogen is sporting the molecular structure for estradiol, one of three types of estrogen made by humans. We especially love the beautiful form of the amino acid chain that comprises Insulin. Get in on this nerdy fashion action!

Love the sound of someone's voice? Thank your larynx, home to your vocal cords.

 

 

Another fascinating fact? The hormone testosterone elongates the vocal cords, which leads to a deeper — and sometimes squeaky — voice during puberty.

Also we've got exciting news! We should have a new larynx + trachea plush available *hopefully* by the end of 2019. Sign up for our newsletter to be the first to know!

Late night encounters with a Viagra Erection Hardness Score test. 

Yep, love really *is* complicated. Hormones, neurotransmitters, sensory neurons, oh my!