1. Global Health

    CreditAndrew Testa for The New York Times

    W.H.O. Approves a Safe, Inexpensive Typhoid Vaccine

    The first typhoid vaccine safe for infants has been used in India since 2005, but won final certification only after an unusual experiment on university students.

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    Brains, Hearts and Heroin Addiction: Medicine in VR

    Addiction treatment, heart surgery and brain research are just some of the areas where virtual reality is helping to improve traditional approaches to treatment and training in medicine. Step inside a human heart or experience addiction treatment in VR.

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    Do Australians Need a Sugar Intervention?

    Since 1990, the number of obese adults in Australia has tripled. Can a region built on the sugar industry turn down the sweets?