Babies aren't made by the 'fastest sperm' fertilizing an egg: We've been taught it all wrong in school
New research suggests that what we've been taught about egg fertilization has been wrong from the start – it's not the fastest sperm that "wins", but the one that "chooses" the egg. Researchers at Stockholm University have discovered that which sperm fertilizes an egg depends on the activation of a unique ion transporter. The study was published...