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Indian elephant mother with young drinking in water a

Life

Female Asian elephants mysteriously stop reproducing later in life

Like humans and a few whale species, female Asian elephants stop reproducing towards the end of their lives, but the reason why is unclear

News

Mouse studies could help us better understand how embryos develop

Health

Early mouse fetuses generated without sperm or eggs for first time

News

Daily hormone cycles might affect mood and fertility

Health

Women have a daily hormone cycle as well as a monthly one

News

Parents of young children have less sleep, money and free time

Mind

Having kids makes you happier, but only when they move out

News

In some countries, more than 107 boys are born for every 100 girls

Health

Sperm sorting method could prevent girls being born, scientists warn

News

IVF

Technology

IVF add-ons are a waste of money – fertility clinics should ban them

Comment

jellyfish

Life

Some jellyfish sperm have stingers that fire inside females

News

Sex

Definition

Sex

Indian wall painting about menstruation

Health

The pioneering podcast that's breaking the silence on women's health

Culture

(Coenobita compressus) walking in sand. San Cristobal island, Galapagos.

Life

Long penises help hermit crabs avoid being robbed during sex

Some male hermit crabs have unusually long penises. This could be so that they can protect their homes whilst having sex

News

Life

Core set of genes explain why some animals stick to one mate at a time

News

Life

Some spiders produce milk – and it’s more nutritious than cow’s milk

News

Health

Catching up on sleep at weekends may aggravate period pain

News

Health

New techniques may soon make designer babies a reality – are we ready?

Leader