18 May 2023
Many sources claim sexual kissing spread worldwide from South Asia 3500 years ago, but there is evidence it was practised in ancient Mesopotamia and Egypt much earlier than that
1 February 2023
Impulse: The science of sex and desire by psychiatrists Jon Grant and Samuel Chamberlain delivers on its bid to answer our hidden questions about sex, but it can be a little perfunctory
2 December 2019
Any differences in the brains of males and females are not the result of a fixed biological blueprint, says neuroscientist Gina Rippon
14 November 2019
A genetic study has revealed how poorer families living in cities in Europe had a higher rate of children who weren't biologically related to their legal fathers
30 September 2019
A study that gave antidepressants to rabbits suggests that female orgasm may be evolutionarily linked to a mechanism for triggering the release of eggs
19 November 2018
Evolutionary biologist Judith Mank explores the purpose of sex, and why its evolution can lead to males and females that look and behave differently.
24 May 2018
Some chimpanzee populations gained useful DNA from interbreeding with bonobos, and one may even have become more gentle and “bonobo-like” in its brain structure and behaviour
19 April 2018
Male insects have been genetically engineered to climax on command, and it seems they get a real buzz out of it – perhaps even a fly orgasm
1 March 2018
A family tree of 13 million people has been built using data from an ancestry website, and it reveals when and why people started avoiding marrying close relations
27 February 2018
Everyone knows that in advertising sex sells, and it turns out that sex-themed adverts even work on rhesus macaques
