A new study from the good people at Emory University has found that a man's testicle size can determine what kind of father he can be—fathers who have a smaller set of jewels down below tend to be ...

(via AsapSCIENCE) Testicle size varies in homo sapiens - and it turns out the size, shape and even droop of your balls says a lot about you. Primate testicle size says a lot about our testicle size - ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...