Temporary Male Contraceptive Prototype Shows Promise

A new temporary contraceptive device for men is showing great promise at preventing unwanted pregnancies...

Developed by German researcher Rebecca Weiss, the device is called COSO and it bathes testicles in ultrasound waves that temporarily halt sperm regeneration.  

To use COSO you simply fill the cup like device with water, wait until the ultrasound waves heat the water to the required temperature and then squat over the device and dunk your tea bags. It takes up to two weeks to work and can last up to six months 

The procedure works like a sauna at slowing down sperm speed and must be repeated every few months.