Need a break from the negative?  Watch this TED Talk:

Inventor Manu Prakash turns everyday materials into powerful scientific devices, from paper microscopes to a clever new mosquito tracker. From the TED Fellows stage, he demos Paperfuge, a hand-powered centrifuge inspired by a spinning toy that costs 20 cents to make and can do the work of a $1,000 machine, no electricity required.



Or watch Mozart with a sense of humor.  (Thanks, Mel!)

 

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