Amino acids have been detected in outer space and in meteorites that have landed on Earth. Photograph: PA

Amino acids have been detected in space and in meteorites that landed on Earth

Identifying where personhood begins is vitalto the ethical debate

Biology doesn’t just affect you physically; it can shape your ideas and politics

There is a strong biological basis to gender and it cannot be healthy to frustrate such tendencies

Catastrophic global outbreak of TB feared

OPINION: Signs of health and fertility, compatibility, sexual fidelity and humour all play a role when we look for a partner…

OPINION: I’ve taught many students that one of the most dangerous things they do is breathe

Consider how you would act in the following situations.

Opinion: Ireland is suffering from an epidemic of obesity

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