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Science In Action Episodes

  1.

    How many genes does an Organism Need?

    Counting the vital genes in tiny organisms refined by two billion years of evolution

  2. How many Fathers does a Child need?

    The more fathers you have, the better your chances of survival, report anthropologists

  3. How Man first arrived in the Americas

    Genetic analysis suggests early man arrived from Asia about 18,000 years ago

  4. How Madagascar is protecting its Biodiversity

    Madagascar triples area set aside to protect biodiversity

  5. How is the Cloning of Human Cells Regulated?

    The ethical debate continues as new regulations about human cloning take effect in the UK

  6. How Insect Pests can be Good for Plants

    A bite from an insect pest can induce resistance and protect plants from further attacks

  7. How Human Language started with hand Gestures

    Human language probably arose from primates' hand gestures, which are complex and subtle

  8. How Harmful is Lead Pollution?

    A survey on effects of lead poisoning published by British Medical Journal

  9. How Ghana's Fish Stocks affect the land Animals

    Why the knock-on effect of over-fishing in Ghana is a reduction in wildlife populations

  10. How female Mice keep making Eggs

    Germ stem cells have been discovered in the ovaries of female mice

  11. How do Animals reach the right Size?

    Discovery of a gene that regulates cell size and growth rate in animals

  12. How did the Moon get its Craters?

    What caused the impact craters on the Moon?

  13. How contagious is the Bird Flu Virus?

    Bird flu may have passed from daughter to mother, raising fears about further contagion

  14. How close is a Bird Flu Vaccine?

    How close is an effective vaccine for bird flu?

  15. How close is a biochemical Weapon against Malaria?

    How the malaria parasite "steals" energy from the red blood cells of its host

  16. How Cholera Bacteria turn nasty

    Cholera bacterium produces harmful toxin only when it is infected by a virus

  17. How can we predict Earthquakes?

    With fears of another earthquake in the Indian Ocean, how good is our warning system?

  18. How Cameroon Lakes build up deadly Gasses

    More needs to be done to avoid deadly release of gasses again from two lakes in Cameroon

  19. How Bird Flu spreads

    Bird flu is spreading into Europe from wild and migratory birds in the northern tundra

  20. How Babies recognise Language

    Babies can recognise language very early, using the left hemisphere of their brain

  21. How Argentine Ants have colonised Europe

    Argentine ants have formed a European "super colony"

  22. How Alzheimer's Disease kills Brain Cells

    Alzheimer's disease: caused by a molecular-level malfunction on the surface of brain cells

  23. How a Salmon can spawn Trout

    The salmon that spawns trout is the first animal of one species to give birth to another

  24. Hot Scientific Topics of 2003

    Reviewing some of the main scientific themes of 2003, and the life of John von Neumann

  25. Hormones and Depression in Premenstrual Syndrome

    How oestrogen levels affect seratonin levels in premenstrual syndrome

  26. Hopes for a new Type of Vaccine

    A new type of vaccine that is hoped to stimulate a different part of our immune system

  27. Hope for a Leishmaniasis Vaccine

    Hope for a vaccine against leishmaniasis disease that affects 12 million people worldwide

  28. Hong Kong Bird Flu Virus claims another Victim

    More cases of chicken influenza virus in Hong Kong set off international alarm bells

  29. HIV Prevention for Women and Girls

    Developing methods of preventing HIV infection for women and girls

  30. HIV Infection at a cellular Level

    Possible early HIV treatment based on an immune-system study in Boston

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