Science Podcasts

Ask the Naked Scientists SA episode

Fri, 13th Jan 2012

How do they get the stripes in the toothpaste?

Putting toothpaste on a toothbrush. (c) Thegreenj @ wikipedia

Are cellphones safe? Why should cornflour make irradiated skin more comfortable? Why do dogs turn in circles before they lie down or defaecate? Are there any materials transparent to the eye but opaque to a camera? Is the Sun orbiting anything? How do they get the stripes in the toothpaste? Is blood donation an alternative to dieting? What do cows actually eat - grass, or bacteria? And why are birds so clever yet we rule the world? Join Dr Chris and the 702 crew for the first episode of Ask the Naked Scientists, 2012...

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