Did you know?

  • Medicines from sheep?

    Genetically modified sheep produce a human protein in their milk.

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  • How long will you live?

    The average life span in the UK is over 77 for men and nearly 82 for women.

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  • Who's the oldest?

    The longest life on record is that of Jeanne Calment, who was 122 years old when she died in 1997.

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  • How can DNA profiling solve crimes?
    Excluding identical twins, it’s a one-in-a-billion chance that matching DNA profiles are from different people.

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  • What is DNA profiling?

    Barely visible blood spots contain enough DNA to generate a DNA profile.

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  • What is special about sperm?

    A fertile man makes around a thousand new sperm per second.

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  • What happens in weeks 4 to 8?

    By 10 weeks a human embryo already has unique fingerprints.

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  • What happens in weeks 9 to 12?

    By 12 weeks a human embryo can hear sounds.

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  • What happens in weeks 17 to 20?

    By 20 weeks a human fetus has eyebrows and hair on its head.

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  • What happens in weeks 21 to 25?

    After 5–6 months a human fetus is startled by sudden noises and is thought to be capable of feeling pain.

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  • What happens in weeks 26 to 29?

    By 26 weeks a human fetus has eyelashes and fingernails.

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  • What happens in weeks 30 to 34?

    By 30 weeks the pupils of a human fetus will dilate and contract in response to light.

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  • What happens in weeks 35 to 38?

    Most babies are born within ten days of their due date – but only 5% actually arrive on the predicted day.

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  • What is IVF?

    The first IVF baby was Louise Brown, born in the UK in 1978.

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  • A person inside every sperm?

    People once believed that sperm carried a tiny human inside them.

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  • What is asthma?

    About 5.4 million people in the UK have asthma.

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  • Why is vaccination important?

    The first child ever to be vaccinated was James Phipps in 1796, against smallpox.

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  • Where was it done?

    Scientists in over 20 different countries worked together on the Human Genome Project.

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  • How does your immune system work?

    Your body makes about 1000 million white blood cells every day in your bone marrow.

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  • What are our closest animal relatives?

    98% of the DNA in your genes is exactly the same as a chimpanzee’s.

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  • How are we all related?

    99.9% of your DNA is identical to that of everyone else in the world.

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Principal Funder:

Wellcome trust

Major Sponsors:

GlaxoSmithKline life technologies