Semen 101

Kate Torgovnick/ | February 8, 2010 - 5:10 pm

Thanks to BuzzFeed for providing us with more information than we ever needed to know about sperm, in handy infographic format. Some nuggets of info we’ve gleaned: a serving size (one teaspoon) contains 20 calories and the average speed of ejaculation is 31 miles per hour. Learn lots more after the jump.