Sex without seed. Seed without sex. It’s been said that the greatest gift of science to humankind would be achieving those two goals.
Effective contraceptives such as the pill have pretty much nailed…
Researchers applied sunblock to the plumage of female blue tits to see how males reacted.
Marko_K
Rearing young is a costly business that often affects an individual’s own future survival or reproduction prospects.
And so it makes sense for individuals to find ways to ensure the energy they spend…
Humans and spider monkeys are the only primate species without a penis bone.
Chris Makarsky
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…
Researchers say women may be able to prolong their fertility in future by having an ovarian tissue transplant.
bronx
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…
Nanas may contribute more than just hugs and kisses.
John McNab
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…
Lilting voice? No need to look on the dark side.
Bisgrafic
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…
Women will be the key to dealing with the growth in population.
Flickr/PhotograTree
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…
Rejoice, men: you may not need to hold your clock in dismay.
purplemattfish
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…
Guess what? It’s not so much size but the shape that matters.
Ozchin
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…
Men’s testosterone decline isn’t quite the same as menopause.
Andres Thor
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…
A guy walks into a cafe … but what happens next depends on strategy.
nathancolquhoun/Flickr
Long before men asked themselves “What’s the meaning of life?”, they were scratching their heads and wondering “How do I get the girl?”
And it’s not just humans who have been consumed with this question…
The hairy-nosed wombat is just one of the species at Australia’s “frozen zoo”.
Fleshpiston/Flickr
Let’s be clear: the world’s animal resources are rapidly declining.
Globally, more than 5,000 wildlife species are threatened with extinction. Some 25% are mammals, and 11% birds. Of the reptile, amphibian…
As a society, we seem to be obsessed by sex. So wondering out loud why we have it is likely to invite a highly bemused response.
And yet sex remains one of the great, enduring mysteries of evolutionary…