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  • Have we vastly underestimated the total number of people on Earth?


    Have we vastly underestimated the total number of people on Earth?

    Have we vastly underestimated the total number of people on Earth?

    Josias Láng-Ritter and his colleagues at Aalto University, Finland, were working to understand the extent to which dam construction projects caused people to be resettled, but while estimating populations, they kept getting vastly different numbers to official statistics.


    ‘It felt like dread.’ Hear what severe depression can do to people

    ‘It felt like dread.’ Hear what severe depression can do to people

    But when you put someone in a PET scanner and you looked at the activity, the metabolism of the brain, there was a clear pattern that was very different from people who weren’t depressed.


    Scientists Say: Dialect

    Scientists Say: Dialect

    It also can refer just to England and Wales, the territories conquered by the ancient Romans who named the land Britannia.


    All your questions about Marburg virus answered

    All your questions about Marburg virus answered

    Genetic sequencing of cases in Rwanda has revealed that the virus jumped from an animal, like an Egyptian fruit bat or an African green monkey, to a person just once in the ongoing outbreak, the country’s health minister tweeted on 20 October.