Dr Karl Podcast

Is it better to pick up dog poo or let it fertilize? Do we lose our sense of taste as we get older? Why do I get itchy when I sneeze?

Could our universe be a hologram? Can colliding black holes create musical notes? Will our universe collapse in on itself? Dr Karl and Professor Patrick Hayden from Stanford University answers these questions and more.

Can you teach your eyes to roll away from each other? Is it bad to cough on command? How do relaxation pods work? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.

Are there different species of humans? Is the earth getting heavier? Why can i put my dreams on hold? Dr Karl answers these questions and more, with guest host Karla Ranby on triple j Mornings.

Do cucumbers feel pain? Do mozzies have a purpose in the world? How do you measure a black hole?

Dr Karl is back at it, answering all your science questions on triple j Mornings. Why do noise cancelling headphones cut out on the train? Why don't spiders get stung by wasps? Is eating boogers healthy?

What makes a planet a planet? Why haven't we gone back to the moon? What'll happen to the International space station when we're done with it? Dr Karl is away for the month, so science journalist Bianca Nogrady is stepping in to be your science sherpa on triple j. Joining her today was Professor Lisa Harvey-Smith, astrophysicist with the CSIRO!

Dr Karl is away for the month, so science journalist Bianca Nogrady is stepping in to be your science sherpa on triple j. And joining her today was Professor Clare Collins, Nutritionist at the University of Newcastle.

Dr Karl is away for the month, so science journalist Bianca Nogrady is stepping in to be your science sherpa on triple j. And joining her today was Dr Jess Bloom, astrophysicist from the University of Sydney.

Why do you always see dead cockroaches on their backs? Why is bellybutton fluff always dark blue? And could you get drunk from breast milk if the mother has been drinking?

What's 'visual snow'? Why will a dripping tap wake you up but torrential rain won't? Why do some people wake up grumpy?

How do animals that use echolocation travel in packs without it getting confusing? What's salt and vinegar chip-induced eyelid sweat about? Why do you need to go to the toilet when you get home, but not before?

If you wrapped a wire around the world would you generate electricity? How does my partner make her hands sweat on cue? And if I'm allergic to housecats, would I be allergic to a lion?

Why did salt make my beer explode? Why doesn't your entire body wrinkle when you're in the bath? Why dont dogs poo and pee at the same time?

Why does cheese make you dream funny? Why is my dog's poo growing fungus? Why do I see stars when I sneeze?

What causes a sneezing fit? Would your body dissolve in pineapple juice? Is your sense of smell related to your emotions?

Can maths predict the future? What about lotto numbers? Plus, the question that stumped the nation!

Dr. Karl answers all your science questions, including; is coffee linked to cancer? Is there scientific proof of an afterlife? Why can't we control what we remember?

Dr. Karl answers all your science questions, including; can you get cold sores from a water cooler? Why do we have fingernails and toenails? Is spinach more nutritious when steamed?

Dr. Karl answers all your science questions, including; what happens during metamorphosis? How high do you have to be to see the curve of the Earth? What’s the point of shyness?

Dr. Karl answers all your science questions, including; can you prevent sleepwalking? Why do people sing without accents? What will happen if Ben and Liam eat that 11 year old cheeseburger?

Dr. Karl answers all your science questions, including; When will we have wind turbines for our homes? Does the full moon make you crazy? And the ever-important question – what came first, the chicken or the egg?

Dr. Karl answers all your science questions, including; do solar panels work inside cars? Why do some people get bitten by mozzies more often? Do we all see the same colours?

Dr. Karl answers all your science questions, including; why does eye colour change? Is our perception of time Earth-centric? What's the best temperature to cook eggs?

Dr. Karl answers all your science questions, including; what's the deal with fecal transplants? How do preservatives affect your body? Should a grown man eat his vegetables?