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Everything you need to know about lactose intolerance

Health

Everything you need to know about lactose intolerance

Not everyone who consumes milk regularly can digest it, and people who think they are lactose intolerant may not be. 51�� puts things in perspective

Features

Semen has controlling power over female genes and behaviour

Life

Semen has controlling power over female genes and behaviour

51��

Two dolphin species band together to form unprecedented alliance

Life

Two dolphin species band together to form unprecedented alliance

51��

After the crash, can biologists fix economics?

Humans

After the crash, can biologists fix economics?

Features

Sexuality is fluid – it's time to get past 'born this way'

Humans

Sexuality is fluid – it's time to get past 'born this way'

Opinion

Head and body lice splice their identical genes differently

51��

Last Word

Dig up the truth

Regulars

Health

Poultry question

Regulars

How does brain science affect our responsibility for actions?

Life

How does brain science affect our responsibility for actions?

Leader

60 Seconds

Early sperm, bird flu in the UK, veg in space, and more

51��

Life

Fussy eating may have doomed ape-like humans

51��

Imagine if we could play our sense of smell like a piano

Opinion

Life

Train your brain for better hearing

Features

Last Word

Cats' eyes in sight

Regulars