sex
Viewpoint: Evolution denialism is back. This time it’s coming from the left
Evolutionary biology has always been controversial, but new discussions about sex and gender have led to a resurgence in denial ...
Men are less tolerant than women when it comes to repeated pain, study shows
A painful experience is not one you are likely to forget—you don’t need to have a trunk slammed onto your ...
Meet Alice Lee, the woman who disproved myths about skull size, sex, intelligence
On the morning of June 10, 1898, Alice Lee marched into the all-male Anatomical Society meeting at Trinity College in ...
Do we really need sex to make babies? Maybe not
There are lots of great reasons we humans have sex. We mostly do it to pair bond, realize our primal ...
Viewpoint: Science needs to embrace the difference between sex and gender—without abandoning the past
Lots of sites, including three scientific societies, have rejected the new Health and Human Services guidelines that provide a classification of ...
Why gender evades easy definitions regardless of what the Trump administration says
According to a recent report in the New York Times, the Department of Health and Human Services is “considering narrowly defining gender as ...
Beyond the binary: Science suggests there’s more than just male or female
Sex can be much more complicated than it at first seems. According to the simple scenario, the presence or absence ...
‘Jumping’ genes responsible for strawberry sexes show how fast plants evolve
[S]eparate sexes may seem fundamental to nature, but they’re an oddity for most plants. Now, scientists have figured out how ...
What can sexual pleasure teach us about behavioral learning?
Opiod receptors in our brain are triggered when we have sex. Researching this mechanism can tell us a lot about ...
‘Evolution is aimless’: How else do we explain external testicles?
Evolution is a work in progress, so it’s hardly surprising that some of the features it has built into the ...
Sex not as simple as X and Y
Everybody assumed that the Y chromosome's sole purpose was to rigidly assign male sex. The truth is much more complicated ...