When is the best time to freeze bread? How do we measure lightyears? Are sugar-free energy drinks worse for you than their sugary counterparts?

Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Freezing bread, lightyears, energy drinks

Why does the gym make me gassy? Do bugs have blood types? Does sound travel further at the beach?

Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Squirrel survival, testosterone, lightning trees

What would we do if a giant comet was hurdling towards Earth?

Bonus Episode: Giant asteroids, end of the world, aliens

Is it possible to be too healthy? What happens if we're busting to wee and hold it? Do men get sleepier than women after sex?

Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Global warming, Double yolked eggs and Maggots

How do they predict sunrise and sunset so accurately? Why do people often crave sweet things after dinner? Does hot water actually freeze quicker than cold?

Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Sunset, sweet cravings, ice cubes

Do people with bigger noses have a better sense of smell? Why do we like hot showers so much? Do you need to pay back a sleep debt if you stay up late and wake up early?

Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Big noses, hot showers, sleep debt

Why do we crave certain foods even if it's been years since we last ate them? Why do giraffe's have blue tongues? We know black holes exist, but do are there also white holes?

Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Food cravings, giraffe tongues, white holes

Why do rainbows form in perfect arcs across the sky? Why does drinking water after eating a mint make the water feel so much colder in your mouth? Is handwriting hereditary?

Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Rainbows, breath mints, handwriting

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        Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!
            
        

Dr Karl Podcast

About the podcast Dr Karl Podcast