Saliva

Science

Saliva Test Can Tell If You Are Lying About Your Age

11:25AM June 23, 2011 | Kelly Hodgkins

Just when I thought I could get away with saying I was 25 and holding, scientists from UCLA had to design a test that can accurately predict my age from trace amounts of saliva. Just great. More »


Mobile

So This Is How You Clean Your iPhone

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12:09PM March 12, 2010 | Nick Broughall

Lifehacker is the greatest site on the net for discovering ways to get things done. But sometimes getting things done can take an ugly turn, like the tip editor Gus received for cleaning the iPhone. More »


Science

Robot Mouth, Because Chewing Is for Luddites

4:30AM May 8, 2008 | Mark Wilson

In the face of a global food crisis, it’s good to know that we have newly-developed robotic mouths around. Composed of teeth-like protrusions, variable speed motors, artificial saliva and a helium flow to quarantine-released compounds, this artificial mouth can masticate with the best of ‘em.

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