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  • BBC Science Focus Magazine

    Q&A

    Dec 01, 2021 7 minutes

    YOUR QUESTIONS ANSWERED

    … WHAT WOULD HAPPEN TO MY SPERM IF I HAD A VASECTOMY?

    … WHY DOESN’T EARTH HAVE RINGS?

    … WHICH IS MORE HYGIENIC: PAPER TOWELS OR HAND DRYERS?

    … HOW IS CAFFEINE REMOVED FROM DECAFFEINATED COFFEE?

    … ARE ELECTRIC CARS GREENER THAN PETROL?

    … WHAT IS A WORMHOLE?

    … ARE YOU MORE LIKELY TO GET CHEST INFECTIONS IF YOU’VE GOT NO TONSILS?

    … WHAT WERE THE SPINAL PLATES ON STEGOSAURUS FOR?

    … HOW DOES GEOTHERMAL ENERGY PRODUCE ELECTRICITY?

    Email your questions to questions@sciencefocus.com or submit on Twitter at @sciencefocus

    OUR EXPERTS

    DR EMMA DAVIES

    Chemistry writer

    PETE LAWRENCE

    Astronomy expert

    ALEX FRANKLIN-CHEUNG

    Environment and climate expert

    DR STEVE BRUSATTE

    Veteran palaeontologist

    DR ALASTAIR GUNN

    Astrophysics lecturer

    JOCELYN TIMPERLEY

    Climate journalist

    DR HELEN PILCHER

    Biologist and science writer

    DR NISH MANEK

    Medical expert and GP trainee

    LUIS VILLAZON

    Science and technology writer

    SAM DOYLE, BELFAST

    IS IT HEALTHIER TO EKE OUT MY CHRISTMAS CHOCOLATES, OR EAT THEM ALL IN ONE MASSIVE BINGE?

    If healthy people binge for one day the body will work a bit harder to deal with the calories and it is unlikely to cause weight gain.

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