Scientists Think They've Worked Out Why Some Animals Have Bones In Their Boners While Others Don't
When it come to the penis off-white , mammals around the world have a change degree of stoutness , from the blue whale whose bone bill an intimidating 2.5 meter ( 8 base ) to the shrew whoscrambles in at just 6 mm ( 0.25 inches ) . Somewhere along the fashion , though , humans lost their phallus bone , or baculum , and when it comes to replication , well , size and shape really might matter ....