How do baby animals (and humans) instinctively know how to suckle when they're born? What purpose do mosquitos have in the ecosystem? How long does a species have to be isolated for it to be considered a 'new' species? Dr Karl is joined by founder of Deadly Science and proud Gamilaaray man, Corey Tutt to answer these questions and more. Hosted by Lucy Smith on triple j Mornings.

Should you keep your tent flaps open? What happens to helium balloons when you let them go? Why does bottled water have a use by date? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Can our eyes change colour? What would happen if a planet disappeared from our solar system? Why don't we all have the same sense of taste? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

How do dogs experience time? Will the trip to Mars be dangerous? Does Dr Karl believe in Aliens? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Do ceiling fans work in winter mode? Are tastebuds on the wrong side of the tongue? Can we call blood a solid? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Would a body decompose in space? Do noise cancelling headphones protect our ears? When will we create a super human? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Why are thorns on roses less sharp when they are dead? Is it true that oil on Earth is being slowly, but infinitely being replenished? Do painkillers really know how to target pain? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Why do red heads get sunburnt so easily? What would happen if humans never developed muscle memory? Does cold weather make you pee more often?  Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

What makes red dirt red? Why do our sugar levels affect our moods? What's the difference between a conspiracy theorist and a science denialist? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Are there health benefits from eating raw meat? Is spontaneous human combustion a real thing? If a mosquito bites me while I'm drunk, does the mosquito get drunk too? Dr Karl answers these questions and more, on triple j mornings with Lachie Pringle.

Can lightning make grass greener? What's the closest call we've ever had with a meteorite? Will Artificial Intelligence ever be sentient? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

How can you tell the difference between antibodies and a virus? Would a compass work on Mars? Why are some mosquitos silent and others loud? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Why do we get bags under our eyes when we’re tired? Why do my fingernails grow faster when I’ve been drinking? Why do I always sneeze five times in a row – never four, never six? Dr Karl answers these questions and more, on triple j mornings with Tyrone Pynor.

Where do double yolkers come from? Why is it so hard to shake the common cold? Why does tiredness effect our perception of time and speed? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why can't we just make ozone in a lab to replenish what has been lost due to climate change? Is it okay to microwave food twice? What's the best life advice Dr Karl has been given? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Today Dr Lucy and Dr Karl are joined by special guest astrophysicist Professor Geraint Lewis to answer all your questions from around the cosmos. Can you get moonburnt? Could we ever move at the speed of light? How did the big bang happen? What's on the other side of the universe? Dr Karl and Professor Geraint Lewis answer these questions and more on triple j Mornings with Lucy Smith.

It's the most triggering question for your local finance bro - why can't we just print more money? How does our brain know when to kick in and smell things? And why doesn't salt water freeze? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Are some mushrooms infinite? Why does chopping onions make us cry? What would happen if you ate a venomous spider? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Is there a difference between a raised heart rate from an energy drink compared to excercise? If we didn't have high tides or low tides, what effect would that have on Earth? Why can some people wiggle their ears without touching them? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Skim milk vs full cream? Is a Keto diet sustainable for your body? Can being pregnant eliminate a gluten intolerance? Dr Karl & Lucy Smith are joined by Professor of nutrition and dietetics, Clare Collins to answers these questions and more, on triple j Mornings.