
Sex between two males is extremely common in wild macaque monkeys
10 July 2023
Almost three-quarters of male macaques observed by scientists mounted other males, and the behaviour may help to strengthen alliances

10 July 2023
Almost three-quarters of male macaques observed by scientists mounted other males, and the behaviour may help to strengthen alliances

22 December 2022
A “sex peptide” transferred from male to female fruit flies during mating interferes with the female’s biological clock, reducing her chances of mating again

31 May 2022
Some offspring of the spotted snow skink, a lizard found in Tasmania, are born anatomically male but are genetically female

25 April 2022
Researchers asked 511 people aged 70 or over who lived in Belgium how sexually active they had been in the past year

8 June 2021
A type of South African honeybee can perfectly clone itself – and one line of clones began with an individual that has now been copied hundreds of millions of times

15 April 2021
Some Australian lizards that begin developing as males will hatch as females if the egg is particularly warm, because the heat triggers genes that override their sex chromosomes