Published: Thu, 29 Mar 2012 13:58:00 +1000Copyright: Copyright Australian Broadcasting Corporation.
Thu, 22 Sep 2016 09:00:00 +1000Is 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 +1000Is 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 +1000Can 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 +1000Is 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 +1000Why 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 +1000Biochemist, science communicator and spider fan Dr Maggie Hardy joins Dr Karl to answer your questions about spiders!
Thu, 11 Aug 2016 09:00:00 +1000How 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 +1000Physicist Brian Cox joins Dr Karl to help answer all your questions about space and astrophysics.
Thu, 28 Jul 2016 09:00:00 +1000Why 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 +1000Can 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 +1000What causes shrinkage? How does a dowsing stick find water? How does muscle memory work?
Fri, 08 Jul 2016 09:00:00 +1000Why 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 +1000Is 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 +1000Can 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 +1000Do animals laugh? Why are some people fussy eaters? Are we living in a simulation?
Thu, 09 Jun 2016 09:00:00 +1000Zan and Dr Karl are joined by Cosmologist Geraint F. Lewis to answer all your questions about SPACE!
Thu, 02 Jun 2016 09:00:00 +1000Why is snot green? Where is the Internet? Why are bubbles round? Can you vomit poop?
Thu, 26 May 2016 09:00:00 +1000Why 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 +1000Are 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 +1000Special guest Warwick Holmes (formerly with the European Space Agency) helps Dr Karl answer your science questions!
Thu, 05 May 2016 09:00:00 +1000Why 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 +1000What'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 +1000Why 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 +1000Why 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 +1000Why 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 +1000Why 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 +1000Do 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 +1000Is 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 +1000This 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 +1000Special 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 +1000Are 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 +1000Why 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 +1000Could 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 +1000This 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 +1000Why 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, 21 Jan 2016 09:00:00 +1000Can you sneeze while you're asleep? Can fog effect sound? How do you get a second wind?
Thu, 14 Jan 2016 09:00:00 +1000Why can you sense when it's about to rain? Are people born with personalities? Is the world a hologram?
Thu, 10 Dec 2015 09:00:00 +1000Are people with better imaginations more able to experience fear? Are vaporisers or e-cigarettes as bad as normal cigarettes for second-hand smoking? Why do you get an impending sense of doom when you step onto an escalator that's not moving?
Thu, 03 Dec 2015 09:00:00 +1000How does the sphincter know the difference between a poo and a fart? Why do you always wake up during the worst part of a nightmare? How thick is a bolt of lightening?
Thu, 26 Nov 2015 09:00:00 +1000Why is my poo hairy and black when I take vitamins? Do fingerprints grow through scar tissue? How big does space junk need to be for it to make land contact?
Thu, 19 Nov 2015 09:00:00 +1000Where do the colours of the sunset and sunrise come from? What came first - maths or language? Why are Labradors used as guide dogs over other dogs?
Thu, 12 Nov 2015 09:00:00 +1000Why do hairs grow out of moles thicker and faster? Why does puppy breath smell nice, but dogs breath smells bad? Why do you get brain freeze when you drink an icy?
Thu, 05 Nov 2015 09:00:00 +1000Why do humans need pillows? Why do dogs sneeze when they lie on their back? Why do house flies fly in a box formation?
Thu, 29 Oct 2015 09:00:00 +1000How can I crack my ears without moving any parts of my body? What state of matter is a flame? How does wind occur?
Thu, 22 Oct 2015 09:00:00 +1000How are memories transferred when cells die? Why can't we teach a dog to talk? Do Himalayan rock salt lamps do anything?
Thu, 15 Oct 2015 09:00:00 +1000Is a dinosaur a bird or a reptile? How does Deja vu work? Why does my friend start sneezing after drinking beer? Why does my car only unlock when I hold the keys up high?
Thu, 08 Oct 2015 09:00:00 +1000Why doesn't water burn? Why does the temperature drop just as the sun rises? Why is it easier to get out of shape than it is to get in shape?
Thu, 20 Aug 2015 09:00:00 +1000It'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 +1000Why 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 +1000Does 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 +1000How does addiction work? Why were dinosaurs so big? Does stress shorten your life?
Thu, 23 Jul 2015 09:00:00 +1000Why does my partner get a runny nose, after eating a hot dinner? Why is urine actually yellow? Could space possibly be a sphere?
Thu, 20 Nov 2014 09:00:00 +1000Do dogs feel love? How big is the hole in the ozone now? Why can't I hear myself snore? Why does Scuba diving increase the urge to urinate?
Thu, 13 Nov 2014 09:00:00 +1000Why does salt turns green on hot chips? Why does the sun never run out of energy? How do flies land on the ceiling? How can you train yourself to eat like a bear?
Thu, 06 Nov 2014 09:00:00 +1000How long do CDs last for? How do targeted pain tablets work? Why does our concept of time change?
Thu, 30 Oct 2014 09:00:00 +1000Can you train your brain NOT to dream? Are some people immune to cold sores? Why can't you tickle yourself? Why does eating chocolate cause you to sneeze?
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?