Bill Gates funding 'unique' projects

There is a magnet that can detect malaria at the flick of a switch, a flu-resistant chicken, an 'antiviral' tomato and a vaccine enhanced with the use of a laser. The ideas are so bold that, as the scientists behind them admit, they can often struggle for funding. Gates Foundation is even funding research into ways to give mosquitoes head colds so they don't bite humans...
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