Dr Karl
Tuesday, 31 August 2010
Great Moments in Science Tricks of the mind a magical mystery
The promise of instant psychic powers can be attractive to some. Dr Karl dons his magician's cape to let you all in on a secret. 3 comments
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Spoon shenanigans bend the truth
Wednesday, 25 August 2010
Dr Karl loves a bit of magic. But he won't be forking out cash to watch someone bend a spoon. 14
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Inertia, apnoea and debt: the science of sleep
Thursday, 19 August 2010
The mysteries of sleep are explored, with sleep researcher Dr Shaun Williams. Plus: how do we fall asleep?; what is sleep inertia and sleep apnoea?; and what is sleep debt?
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Karl Trek 2009
Thursday, 16 April 2009
Follow Dr Karl's six-week trek along the famous medieval Spanish 'El Camino' pilgrimage, a footpath from the French-Spanish border to Santiago de Compostela.
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Dr Karl
Clean hands wash away moral dilemmas
Tuesday, 17 August 2010 0 comments
Great Moments in Science Being clean and feeling virtuous are closely linked. Dr Karl scrubs away at the evidence and discovers the amazing symbolism associated with washing your hands.
Charges, cuts and stitches
Thursday, 12 August 2010
Dr Karl on triple j Why do rechargeable batteries need to be run fully flat? Plus: why do shaving cuts bleed more than normally?; and what is runner's 'stitch'?
Clean hands get germ-free
Tuesday, 10 August 2010 9
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Great Moments in Science There are numerous benefits that pour forth from staying clean. Dr Karl puts his hands together for the simple act of digital drenching.
High high in the sky
Thursday, 5 August 2010
Dr Karl on triple j What colour is the Sun? Plus: Do your eyes or brain make you colour-blind? Can someone parachuting break the sound barrier? How much light is lost when transmitting through fibre-optic cables?
Superficial scholarship sends 'Eskimo' myth snowballing
Tuesday, 3 August 2010 7
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Great Moments in Science Laying claim to knowing everything about another people's culture can be hazardous. Dr Karl lifts the lid on the modern-day snow-job done on the Eskimo people's culture.
Deodorant dilemmas and adopting diesel
Thursday, 29 July 2010
Dr Karl on triple j Is deodorant bad for you and why does it stop you from smelling? If diesel is used in trucks, why is it not used in cars? Can plasma screens accelerate growth in plants?
Snow blind tale puts words in 'Eskimo' mouths
Tuesday, 27 July 2010 8
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Great Moments in Science Apparently Eskimos know all about snow, and we think we know all about what Eskimos call it. But Dr Karl reckons there are hundreds of reasons to not believe the hype.
Animal accents and sweet sugar
Thursday, 22 July 2010
Dr Karl on triple j Do animals in different countries have different accents? What's the difference between white and brown sugar? If Jupiter is a gas planet, why can we see the impact of meteorites on its surface?
Eskimo languages snowed under by myth
Tuesday, 20 July 2010 6
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Great Moments in Science There are many Eskimo peoples each speaking vastly different languages and dialects. So Dr Karl unpacks his snow-shovel to dig up some lesser-known facts.
Fluoro tattoos and ultrasonic toothbrushes
Thursday, 15 July 2010
Dr Karl on triple j Are there fluorescent ink tattoos that can only be seen under black light? What are ultrasonic toothbrushes and do they work? Why does it get colder as the sun rises?
Moon's rotation a passing phase
Tuesday, 13 July 2010 21
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Great Moments in Science Although it's always there, many people have little idea about the workings of our nearest neighbour. Resident lunar-tic, Dr Karl, has been gazing at the Moon and faces facts.
Tired eyes and bush fires
Thursday, 8 July 2010
Dr Karl on triple j Why do we get bags under our eyes when we are tired? Can you use salt water to put out bush fires? Can second-hand smoke cause heart disease?
