Why is human skin so rubbish?

Why is there such a variety of tongues in the animal kingdom? CrowdScience listener Dale has observed that his dog’s tongue is different from his and so is his cat’s. He’d like to know the reason. Caroline Steel visits London Zoo in the UK to find out more about the different typ ...  Show more

CrowdScience listener Daniel in Accra, Ghana is an introvert. Or at least, he thinks he is. And he’s worried that his preference for quiet spaces and lower social interaction might be holding him back in life. But what is introversion really? How do introverts and extroverts see ...  Show more

Our bodies are covered in billions of bacteria, and while some are good for our skin barrier, others can be troublemakers, contributing to the development of skin diseases. In September 2023, American researchers from George Washington University published a study in Frontiers in ...  Show more

When it comes to keeping our skin looking younger, what works? Retinol, hyaluronic acid, vitamin C? This simple question has become confused by the billion-dollar skin-care industry, which floods us with scientific-sounding claims about the chemicals they say we should put on our ...  Show more

The last great "out of Arica" movement of our ancestors swept out of the northeast of the continent 74,000 years ago. Archaeologist John Kappelman of the University of Texas brings us an update to this complex tale in the form of animal carcasses. We take a trip to Oxford to meet ...  Show more

Audio for this episode was updated on 8th July.A new analysis of deaths in cities across Latin America suggests rising global temperatures could lead to large numbers of deaths in the region and elsewhere in the world. Even a 1-degree rise in extreme heat can add 6% to the risk o ...  Show more