Published: Thu, 29 Mar 2012 13:58:00 +1000Copyright: Copyright Australian Broadcasting Corporation.
Thu, 19 Jan 2017 09:00:00 +1100Why are we ticklish? Why do some pop-corns never pop in a saucepan, or microwave? If you're drunk and you have a blood transfusion, would you become sober?
Thu, 12 Jan 2017 09:00:00 +1100Why are moths attracted to lights? What exactly is happening on my skin when I feel itchy? Why does my cold finger not work as well on a phone touch-screen?
Thu, 15 Dec 2016 09:00:00 +1100Why do I want to hurt cute things? Why does a stomach grumble when it's hungry? What physically happens when you lose your voice?
Fri, 09 Dec 2016 09:00:00 +1100Does a fart smell worse if it happens underwater? Would a snake be able to untie itself from a knot? What are cosmic strings?
Thu, 01 Dec 2016 09:00:00 +1100With special guest Ruben Meerman the Surfing Scientist!Why do people use the ketogenic diet for weight loss? Is intermittent fasting good for weight loss? What happens if you don't eat ANY fruit and veg?
Thu, 24 Nov 2016 09:00:00 +1100What gives clouds their colours? Why does only one side of my glasses fog up when I put them on? What causes pins and needles?
Thu, 17 Nov 2016 09:00:00 +1100Does the moon affect the water in our bodies? Do animals have accents? Why does your face screw up when you eat sour things?
Thu, 10 Nov 2016 09:00:00 +1100What are the purpose of tears? Can spiders get caught in other spiders webs? How does traffic form on the freeway?
Thu, 03 Nov 2016 09:00:00 +1100Is it possible to travel back in time to visit yourself? If the human species was shrunk, would we be a more sustainable species? Do parallel universes exist?
Thu, 27 Oct 2016 09:00:00 +1100What caused the big bang? Why is it that when you say a word multiple times you forget its meaning? When you have a cold, why can only one nostril get blocked?
Thu, 20 Oct 2016 09:00:00 +1100How many sports drinks is too many? Can you die of heart break? Is it possible to re-animate a dead body?
Thu, 13 Oct 2016 09:00:00 +1100Why does hand colour/ type change after chemo? How long does it take your body to adjust to a new time zone? What do sharks think about magnets?
Thu, 06 Oct 2016 09:00:00 +1100What happens to your body when you mix alcohol with energy drinks? Why does wet skin shrivel? And why is it that your're more susceptible to other people's tickling than your own?
Thu, 29 Sep 2016 09:00:00 +1100If you put two magnets on either side of your head, what happens to your brain? Will time travel be possible in my lifetime? Why can dogs drink disgusting looking water?
Thu, 22 Sep 2016 09:00:00 +1100Is laughter contagious? When I look into a spoon, why is my reflection upside down? Why does your voice sound different when recorded?
Thu, 15 Sep 2016 09:00:00 +1100Is Pluto a planet? Does peeing on your feet cure fungal infections? Are humans more intelligent now than in the past?
Thu, 08 Sep 2016 09:00:00 +1100Can jet fuel melt steel beams? If the sun went supernova, what would we see? Why can we crack bones in our body?
Thu, 01 Sep 2016 09:00:00 +1100Is double dipping harmful? What are the chances of a zombie apocalypse happening? Are people attracted to similar looking partners?
Thu, 25 Aug 2016 09:00:00 +1100Why do some people fart more than others? Is your consciousness in control of lucid dreaming? Will there ever be a cure for colorblindness?
Thu, 18 Aug 2016 09:00:00 +1100Biochemist, science communicator and spider fan Dr Maggie Hardy joins Dr Karl to answer your questions about spiders!
Thu, 11 Aug 2016 09:00:00 +1100How are hybrid vegetables created? Is going commando bad for testicular cancer? Why does phone reception improve at night?
Thu, 04 Aug 2016 09:00:00 +1100Physicist Brian Cox joins Dr Karl to help answer all your questions about space and astrophysics.
Thu, 28 Jul 2016 09:00:00 +1100Why can the same meal cause different levels of flatulence? Is it better to go vegan or eat meat? What's the validity of the Paleolithic diet?
Thu, 21 Jul 2016 09:00:00 +1100Can you stretch your bladder by holding pee in? Is there a sound that can kill you? What would happen if the moon was destroyed?
Thu, 14 Jul 2016 09:00:00 +1100What causes shrinkage? How does a dowsing stick find water? How does muscle memory work?
Fri, 08 Jul 2016 09:00:00 +1100Why do women have less body hair than men? Are foods like oyster really an aphrodisiac? What causes an itch?
Thu, 30 Jun 2016 09:00:00 +1100Is it possible to terraform a planet? Why does spicy food burn on they way out? Could you freeze someone, then re-animate then?
Thu, 23 Jun 2016 09:00:00 +1100Can cockroaches survive a nuclear blast? Why do kids sometimes write letters backwards? Is it better to wash dishes with hot water?
Thu, 16 Jun 2016 09:00:00 +1100Do animals laugh? Why are some people fussy eaters? Are we living in a simulation?
Thu, 09 Jun 2016 09:00:00 +1100Zan and Dr Karl are joined by Cosmologist Geraint F. Lewis to answer all your questions about SPACE!
Thu, 02 Jun 2016 09:00:00 +1100Why is snot green? Where is the Internet? Why are bubbles round? Can you vomit poop?
Thu, 26 May 2016 09:00:00 +1100Why do cats gravitate to sleeping on top of your face? Does the shipping industry contribute to rising sea levels? Is ADD a modern diagnosis or an evolutionary trait?
Thu, 19 May 2016 09:00:00 +1100Are we still taking plants to outer space? Would the earth clean itself, if humanity left the planet? Can you cultivate a pimple in a particular spot?
Thu, 12 May 2016 09:00:00 +1100Special guest Warwick Holmes (formerly with the European Space Agency) helps Dr Karl answer your science questions!
Thu, 05 May 2016 09:00:00 +1100Why do birds always fly in front of cars at the last second? If the polar caps melt will the Earth move off its axis? Do artificial lights mess up our diets?
Thu, 28 Apr 2016 09:00:00 +1100What's on the edge of space? Is sleep talking hereditary? Is there any difference to your body weight after you fart?
Thu, 21 Apr 2016 09:00:00 +1100Why does water expands when it freezes? Can artificial sweeteners cause an insulin spike? Why do sneezes smell? Can you be frozen and unfrozen like Austin Powers?
Thu, 14 Apr 2016 09:00:00 +1100Why do we constantly yawn? Do blind and vision impaired people have better hearing? Does the tide have an impact on speed of the earth's rotation?
Thu, 07 Apr 2016 09:00:00 +1100Why do men's eyes get bloodshot after sex? Why do humans get hiccups? Why does cheese taste better melted?
Thu, 31 Mar 2016 09:00:00 +1100Why do earphones get so tangled? Do mozzies prefer vegans, and can they get drunk from humans? Can you smell things better when you're hungry?
Thu, 24 Mar 2016 09:00:00 +1100Do men have taste buds on their testicles? How high do bugs fly? Is there an alternate reality in which there are no other alternate realities?
Thu, 17 Mar 2016 09:00:00 +1100Is it possible for one armpit to stink more than the other Why do people who have liver failure go yellow? When will we be able to have microchips inserted into brains?
Thu, 10 Mar 2016 09:00:00 +1100This week the legendary David Suzuki joins Dr Karl and Zan Rowe to answer your questions about the environment!
Thu, 03 Mar 2016 09:00:00 +1100Special Guest Professor Clare Collins - Professor of Nutrition and Dietetics at the University of Newcastle joins us! Is a zero carb diet viable in the long term? Why am I eating more after quitting smoking?
Thu, 25 Feb 2016 09:00:00 +1100Are there any positive effects from nightmares? Can you build up a resistance to alcohol? Why do I vomit whenever I get excited? Why do I get sugar crashes?
Thu, 18 Feb 2016 09:00:00 +1100Why do galaxies and planet form in a disc? Does reading short articles and using social media affect they way we read longer, denser writings? If you drill a hole through the earth would you float when you reach the middle?
Thu, 11 Feb 2016 09:00:00 +1100Could viruses assist evolution? Why do I always sneeze after choking on something? Why do wheels look like they're going backwards, when the car is going fast?
Thu, 04 Feb 2016 09:00:00 +1100This week Zan and Dr Karl are joined by Medical entomologist Dr Cameron Webb to answer all of your questions about the Zika virus.
Thu, 28 Jan 2016 09:00:00 +1100Why are dogs the only animals that wag their tails, when they're happy? How long does it take for the average person to start getting sun burnt? Are all numbers imaginary numbers?
Thu, 20 Aug 2015 09:00:00 +1100It's a Marine Science Special! Professor Emma Johnson joins Dr Karl and Zan Rowe to help answer your ocean-based science questions.
Thu, 13 Aug 2015 09:00:00 +1100Why do op shops all smell the same? Why can't we use 3D printers to print organs? Is there any benefit to avoiding gluten?
Thu, 06 Aug 2015 09:00:00 +1100Does forcing a smile really make you happier? Why do certain notes or chords have emotional responses? Is urine good for helping lemon trees grow?
Thu, 30 Jul 2015 09:00:00 +1100How does addiction work? Why were dinosaurs so big? Does stress shorten your life?
Thu, 23 Jul 2015 09:00:00 +1100Why does my partner get a runny nose, after eating a hot dinner? Why is urine actually yellow? Could space possibly be a sphere?
Thu, 29 Mar 2012 13:24:00 +1000Why do people get tired when driving? Is it possible to drive a fast car upside-down in a long, circular tunnel? Are your chances of surviving a car accident better if you are asleep and you're body is limp?
Thu, 22 Mar 2012 13:09:00 +1000Why do people rock from side-to-side when they sleep? Plus: are humans the only mammal that suffers morning sickness during pregnancy?; and why can cat fur have different colours along the length of each strand of hair?
Thu, 08 Mar 2012 13:46:00 +1000Why is it considered a good thing to urinate on lemon trees? Plus: can birth marks be hereditary?; and why do yellow sunglasses make daylight appear brighter?
Thu, 01 Mar 2012 13:12:00 +1000What happens if you swallow chewing gum? Plus: can a woman's tastebuds change during and after pregnancy?; and can drinking milk cause osteoporosis?
Thu, 23 Feb 2012 12:48:00 +1000Why does crockery seem to randomly explode? Plus: Is it possible to be allergic to only male furry animals?; and a caller reports the results of his and his partner's female ejaculation tests.
Thu, 16 Feb 2012 12:34:00 +1000As part of triplej's 'sex week', Dr Karl and Zan Rowe take talkback questions ranging from female 'squirting' to male morning glories and having sex during pregnancy.
Thu, 08 Dec 2011 13:06:00 +1000When using earbud-style headphones, why does the music's pitch seem lower when they're removed? Is there a way to reduce the effects of jet-lag?Why is it when you are extremely tired that trivial things seem very funny?
Thu, 01 Dec 2011 13:16:00 +1000Why does your head seem to spin when you lie down if drunk? What are the differences between various cookwares and are any types dangerous? What happens to bullets that are fired into the air?
Thu, 24 Nov 2011 13:20:00 +1000Previous 'Mornings' presenters drop by to share their favourite Dr Karl moments from the last 30 years on triplej. Plus: Karl's favourite organ; his first comments on radio re-enacted; and the five most-common science questions asked by listeners.
Thu, 17 Nov 2011 13:20:00 +1000In a special triplej listener talkback, Zan Rowe and Dr Karl discuss the link between mental illness and marijuana use with psychiatrist Dr Matthew Large, from the University of New South Wales.
Thu, 10 Nov 2011 13:01:00 +1000Does cold storage affect how food metabolises and germinates? Plus: why do some people's eyes squeak when they rub them?; and why can some people make their ears 'crack' when they press them?
Thu, 03 Nov 2011 12:48:00 +1000Do snipers need to take in to account the Coriolis effect when taking a shot? Plus: what happens if you pee on an electric fence?; and can babies breathe underwater?
Thu, 27 Oct 2011 13:51:00 +1000Why do some mobile phones ring when they are switched off? And why do many women crave chocolate just before their periods?
Thu, 20 Oct 2011 12:37:00 +1000Why do wasps survive being frozen? If black is a shade of light, then how does a projector recreate it? Why does cold air clear a foggy windscreen better than warm air?
Thu, 13 Oct 2011 12:53:00 +1000Do microwave ovens block mobile phone reception? Will vinegar sooth sunburn? How can you 'pop' a yawn?
Thu, 22 Sep 2011 12:53:00 +1000Can copper pipes be made hard again after they have been overheated then cooled? Why do new tyres sometimes leave a blue mark on the ground? Do sports compression shorts work?
Thu, 15 Sep 2011 13:44:00 +1000What happens when fruit and vegetables cross-pollinate? Why does my hair appear to grow quicker now I shave my head? Does quantum physics imply the existence of a God?
Thu, 01 Sep 2011 12:39:00 +1000Why don't scars get dirty the same way as the rest of your skin? Do noise-reducing ear plugs damage your ears if you wear them for too long? Can exercising after drinking alcohol help you sober up more quickly?
Thu, 25 Aug 2011 12:59:00 +1000How do you get green tomatoes to ripen quickly? Can people on a vegan diet receive the same amount of nutrients as meat-eaters? Can static shocks through headphones be dangerous?
Thu, 18 Aug 2011 12:20:00 +1000Why do some people get itchy legs when they exercise? Plus: what causes some people's cheeks to swell and tingle while eating cheese? And why is bellybutton fluff always blue?
Thu, 11 Aug 2011 12:30:00 +1000Why do some people see thousands of tiny spots when they look up at the sky or a bright light? What causes a white rainbow? And is there any science to explain ghosts?
Thu, 04 Aug 2011 12:40:00 +1000What's it like to live in space for 183 days? NASA astronaut Dr Gregory Chamitoff joins Dr Karl to answer all your space questions.
Thu, 28 Jul 2011 13:06:00 +1000Why do some people work harder at the gym when they listen to a favourite tune? Plus: why does your stomach rumble when you are hungry? And why do your hands tingle after an orgasm?
Thu, 21 Jul 2011 13:05:00 +1000Why does a bruised apple taste differently to an unbruised one? Plus: is it possible to evaluate the capacity of the brain in gigabytes? And why does caffeine make you feel sick in the stomach?
Thu, 14 Jul 2011 12:17:00 +1000Why doesn't the skin around nipples get sunburnt? Would global warming interrupt the Atlantic conveyer current and cause an ice age in the northern hemisphere?
Thu, 07 Jul 2011 13:30:00 +1000Why does it feel unusual when walking on a stationary escalator? Plus: why did the recent Chilean volcano ash cloud travel in the opposite direction to the prevailing winds? And why are oranges orange?