Devices zap testes, block sperm—one by remote control
(NEWSER) - Condoms may be reliable, but they’re so last century, prompting scientists to develop a new arsenal of high-tech male contraceptives, the London Times reports. One device, the tiny “fertility control micro-valve,” is injected into a duct to let men control sperm flow using a remote-controlled key fob, while another uses ultrasound waves to heat the testes and thwart sperm production. More»
