300 episodes

How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe's blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!

Ask the Naked Scientists Naked Scientists

    • Life Sciences

How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe's blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!

    What's gut instinct?

    What's gut instinct?

    This week, we answer Paul's question about the size of a diamond you could make with the carbon in a piece of coal, we discuss where butterflies in your stomach come from, discuss the basis of gut instinct, and ask how much magnesium you need and how the body absorbs it. Join 567 CapeTalk's Kieno Kammies and Dr Chris Smith to find out... Like this podcast? Please help us by supporting the Naked Scientists

    • 15 min
    Did the new coronavirus come from pangolins?

    Did the new coronavirus come from pangolins?

    Data on the Chinese emerging coronavirus and did it come from pangolins? Why does glassware look more shiny when wet? How does the body fight off viral infections? And what happens when you freeze breast milk? Talk Radio 702's Azania Mosaka and Dr Chris team up to Ask the Scientist! Like this podcast? Please help us by supporting the Naked Scientists

    • 14 min
    How long do viruses linger in the air?

    How long do viruses linger in the air?

    What's the latest on the coronavirus situation? Do facemasks protect against viruses? Can we use nuclear bombs to combat climate change? Are artificial diamonds valuable? How long do viruses persist in the environment? What is WiFi sensitivity? Why does the Sun resemble popcorn in photographs? And why can I hear my sonic pest repeller? Dr Chris and 567 Cape Talk's Lester Kiewit for the answers... Like this podcast? Please help us by supporting the Naked Scientists

    • 22 min
    How many megapixels is my eye?

    How many megapixels is my eye?

    This week, what's the resolution of the human eye? Would nanobots be attacked by our immune systems? How small would a squash ball lump of coal be if you squished it into a diamond? Why do propellers look like they change speed, or even go backwards? And why do men's hairlines recede? Plus in the news, what's happening with this new coronavirus in China? Dr Chris chats with Kieno Kammies... Like this podcast? Please help us by supporting the Naked Scientists

    • 16 min
    Only one of my bottles of water froze

    Only one of my bottles of water froze

    This week, why only one bottle of water froze while others remained liquid; do hot drinks cool you down? What's phlegm and is it safe to swallow? Is human body temperature changing? How did the NASA student intern discover an exoplanet? Are fizzy drinks safe for diverticular disease? And what's the ideal healthy diet for a human? Join Dr Chris and Kieno Kammies to find out... Like this podcast? Please help us by supporting the Naked Scientists

    • 24 min
    Can bacteria eat plastic?

    Can bacteria eat plastic?

    This week, will a walk benefit my waistline; can bacteria eat plastic? Is it just humans that get prostate cancer? What limits the length of body hair? What's the physics of making a cricket ball swing? Can you combat male pattern baldness? And do sleep requirements change with age? Join Dr Chris and Kieno Kammies to Ask! The Naked Scientist and find out... Like this podcast? Please help us by supporting the Naked Scientists

    • 24 min

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