Spermbots deliver sperm to egg
« In order to help “poor swimmers”, scientists developed “spermbots” that can deliver healthy sperm to an egg. The tiny metallic helices are just large enough to fit around the tail of a sperm. Their movements can be controlled by a magnetic field and lab testing showed they can deliver sperm to an egg for potential fertilization. «
Fertilité : le premier autotest pour hommes débarque en pharmacie
http://www.sciencesetavenir.fr/sante/20150210.OBS2105/fertilite-le-premier-autotest-pour-hommes-debarque-en-pharmacie.html?xtor=RSS-26