The penis. It comes in so many different shapes and sizes … and that’s just in humans. As you would imagine, different species have very different penises. The males in most mammal species, including cats…
In future, women could remain fertile for longer by undergoing an ovarian tissue transplant, according to paper published this week by American and Danish researchers. The Reproductive Biomedicine paper…
A recent study shows that mutations in the “breast cancer genes” BRCA1 and BRCA2 – which increase the risks of breast and ovarian cancers among others – also increase fertility. This is an extraordinary…
Few individuals in the Star Wars universe inspired more fear than the Sith Lord, Darth Vader. But beneath the dark exterior, the commander-formerly-known-as-Anakin-Skywalker might have been hiding a dark…
SEVEN BILLION PEOPLE: I had better write fast. Sometime between my deadline to submit this story and the time it goes live, the estimated world population will exceed 7 billion for the first time ever…
Boys who grow up without a dad around are more likely to reach puberty later, but father their own children earlier, according to a new study. Researchers from the London School of Economics used data…
If you’re in a room with 20 random blokes, it’s likely six or seven of them are worried about and unsatisfied with their ability to control their ejaculation during partnered sex. In other words, these…
Why should male genitalia be so variable? This problem has puzzled evolutionary biologists for decades. Even to the experts, it can be difficult to tell closely-related species apart just by looking at…
Feeling tired and grumpy? Maybe a litte emotional? If you’re a middle-aged male, these symptoms might be hormone-related, but no, you’re not going through man opause. It’s true that signs of men’s low…