What are superfoods, how many tastebuds do we have on our tongue and how antioxidants can help add muscle after exercise. This and more about gold in your body and poisonous levels of banana consumption.

Tastebuds, Superfoods and Antioxidants

They love it, answering questions that is. In this episode Dr Karl and Adam Spencer zip their way through the latest batch of audience quesitons via Twitter.  They also manage to head off on a shameless book promotion tangent to chat about their new releases. Dr Karl’s new book, is Short Back and Science, and Adam Spencer’s World of Numbers is modestly titled.

Twinkle Twinkle Twitter Time

Dr Karl and Adam Spencer are back together in a new series of podcasts. They catch up for a chat, and exchange early xmas gifts, a copy of each others latest book. Funny that. Dr Karl’s new book, Short Back and Science is a grab bag of science topics that have caught his eye over the last year. Adam Spencer’s World of Numbers, is a book of numerical trivia a sort of excursion into the beautiful world of mathematics.

It’s Xmas and book gifting time

Derek Veritasium Muller

With Dr Karl and Adam both out of town, we asked geek by association, Dan Ilic, to interview Derek Veritasium Muller on behalf of  leek Geeks. Derek speaks about his PhD, his YouTube success, and his most recent documentary series Uranium.

Interview with Derek Veritasium Muller

Chris Hadfield

Commander Chris Hadfield has flown test fighters, run the International Space Station and recorded a cover of David Bowie's Space Oddity that has received over 1.5 million YouTube views. But what will he make of Adam's attempt to speak Russian based on a translation he's reading off his iPhone. All of this and more in the special Sleek Geeks chat with one of the world's most in demand scientists.

Interview with Astronaut Commander Chris Hadfield

A MicroMort is a unit of measurement related to risk.  If an activity exposes you to one MicroMort, then you have a one-in-a-million chance of sudden death while engaged in that activity. The very earliest customer-complaint letter goes back some 3,750 years and, why does raisin toast always burn when regular toast doesn’t?

Risk, Rasin Toast and Complaint Letters

Does sunlight kill odours? Will the dog’s bed smell fresher by leaving it in the sun?  Do mobile phones cause cancer? In what order did human senses evolve, and are there more senses on the way? And, Dr Karl and Adam’s ManWashing tips are back

Does sunlight kill odours?

Dr Karl's iPhone 6+ has caused him to carry a man bag because it won’t fit in bright blue stretch jeans.  Adam on the other hand will happily accept any colour iPhone 6 that Apple send his way. Also, just how can a computer hacker access your tyres to kill you?

iPhones, Manbags and Computer Hacking Tyres

Pat Rafter

Dr Karl and Adam try to get through a series of Twitter questions from their listeners, but what unfolds is everything but that. Topics they blast through include … Galois, Fermat Primes, fear of numbers, Pat Rafter, Big Data and space elevators.

Pat Rafter, Big Data and Space Elevators

In this episode, Dr Karl and Adam ditch the stories in favour of answering questions from Twitter, like this corker … If you feed cows strawberries, will they produce strawberry milk?  To find out, download their latest podcast

Dad jokes, Tumbleweed, Cows and Strawberry Milk

Sleek Geeks sees Dr Karl and Adam Spencer mix science with humour as they set out to answer some of the perplexing scientific mysteries we encounter on a daily basis. Download and enjoy this highly entertaining science-fuelled knowledge whirlwind and, as the Sleek Geeks like to say, "Learn something without even noticing"...

I loved this podcast. How about Sleek Geeks 2.0? Please!!!

This was a fabulous podcast - bring it back!!!

Love Dr. Karl, my only complaint is it&#39;s not long enough. Give us at least 30 minutes please!

Wish it was longer!

Sleek Geeks

Can a plant be intelligent. Some plant scientists insist they are — since they can sense, learn, remember and even react in ways that would be familiar to humans. Does drinking cows milk cause cancer. Is it possible to harness the energy from lightning

Plants consciousness, cows milk cancer and lightning

If you've popped on a few KGs over Xmas and are wondering how to shift them, then take a listen to this fascinating chat with Dr Karl, Adam Spencer and their good mate The Surfing Scientist Ruben Meerman

When you lose weight, where does the fat go

Apparently both coconut oil and coconut water will do everything from beautifying your skin to boosting your immunity. What exactly is a Paleo-diet? Fruit, green vegetables, eggs, poultry, meat and seafood — but no dairy, grains, legumes or processed oils. There are a few problems with this

Coconut Water and Paleo Diets

James Randi

In this episode, Dr Karl is joined by none less than the Amazing James Randi. Randi is a magician and scientific skeptic best known for his challenges to paranormal claims and pseudoscience which he collectively calls woo-woo. Randi is currently on a world tour to promote his film, An Honest Liar.  This is a sensational chat with two critical thinking minds.

Dr Karl and The Amazing James Randi

Sexual interest and arousal can lead to sneezing, but only in a very small subset of people. We have found the surprising link between the common cold and cold weather ... and the ACHOO Syndrome, and why sunlight makes some people sneeze.

Sneezing, Sex and the ACHOO Syndrome

Why do we count in base 10? Why are there 60 minutes in an hour? Why do kids need more anesthetics than adults, and how do contactless smart cards work?

Counting, Drugs and Smart Cards

When running wheels are set up in the wild, random wild mice will come and run on them. 10,000 year old ancient sea rise stories have been accurately passed down by the Australian Aborigines. Breaking the Seal, why is it after that third beer, that you have to keep visiting the bathroom every 20 minutes.

Science of Breaking the Seal

Brought to you by the No. 31, but why?  What’s so special about the phrase “the five boxing wizards jump quickly”  Why are veins are blue, and where does the phrase blue blood come from? In Twitter Time this week ... “If we quantum teleported a camera 150 million lightyears away, took snaps of earth, then teleported it back. Would we see dinosaurs?”

Why are veins blue?

This is a hot geeky special .. the science of heatwaves. What causes them and what defines a heatwave? Will heatwaves increase with climate change? While we’re on hot things, did you know it rains on the Sun, and why do yellow rubber ducks fade in the sun?

Heatwaves, rubbers ducks and Gershwin

What’s the link between the number 13 and anagrams? Are the antioxidants you’re taking just propping up a $23 billion dollar snake oil industry?  What happens in the brains of people who see the face of Jesus in a piece of toast? In Twitter Time this week … can you have thunder without lightning?

Do antioxidants actually work

In a recent UK poll, the number 7 topped the list of people’s favourite or lucky number. But why? What is a mid-life crisis, and does it really exist? Researchers have tracked the happiness levels of thousands of people and confirmed the age-old suspicion of a dip in human happiness during middle age. In Twitter Time this week, the truth behind healing benefits of purring cats, plus an overview of hippy dribble practices, and how the placebo effect works.

Popular 7, Mid-life Crisis and the Placebo Effect

This week's very geeky NERD ALERT Xmas Special is brought to you by the number 78. Now, we all know Santa is real, but what kind of scientific time and motion physics caper is at play here that allows him to achieve his appointed workload and deliveries?  Cue segue ... Xmas is a time for friends, family, eating, and laughter, so in this holiday season special, Dr Karl and Adam take a look at nut allergies and the physiology of laughter.

A Very Geeky Xmas

The First World War combined modern science and technology in an effort to kill people more efficiently. It saw the advancement of many existing technologies, many of which had a beneficial flow on effect, both during and after the war.

Geeks on Gallipoli

This week Sleek Geeks are joined by Dr Grant Hill-Cawthorne to chat all things Ebola - where did it come from, how does it spread and just how infectious is it? Dr Grant is a Lecturer in Communicable Disease Epidemiology at the Marie Bashir Institute for Infectious Diseases and Biosecurity Sydney School of Public Health, so he a little bit across this topic

We need to talk about Ebola

This episode is brought to you by the number 19 and associated segues … Now hear this:  Why do we like to listen to music loudly? What have you done physically when you’ve damaged your hearing? Just how does the ear work and what role do the ‘hairs’ inside play and, why do we speak more loudly if we’ve had too much alcohol? Twitter Time this week: Olber’s Paradox and why is the sky dark at night and not just a blanket of white light?

Listen here to hear about the ear ...

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