Somehow, female birds manage to hold their families together despite predators, harsh conditions and sometimes, a less-than-attentive partner.
The vagina is a muscular tube that can maintain itself and be beneficial to babies.
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As it debunks old myths and uncovers previously ignored facts, science is finding that the vagina is both complex and busy.
How androgynous are you?
Thomas Piercy, University of Cambridge.
While there are small differences between male and female brains, most of us have a mix of both.
Vaginismus is one of the leading causes of painful sex. Many people haven’t even heard of it, but vaginismus is extremely common and it can have a huge impact on women, their partners and relationships.
Is it genes, chromosomes, hormones, the immune sytem – or behaviour – that makes men more susceptible to the deadly disease?
Gender equality does not mean pretending that ‘male’ and ‘female’ do not exist.
Equal rights are not enough. Inequality exists in our minds, in our biases and prejudices, and that remains to be fixed.
Is this how we got the sperm and the egg?
An ancient sexual conflict over mitochondrial inheritance may be responsible for the evolution of the two sexes as we know them.