I'm an investor in a number of biotech companies, partly because of my incredible enthusiasm for the great innovations they will bring.

Innovations that are guided by smallholder farmers, adapted to local circumstances, and sustainable for the economy and environment will be necessary to ensure food security in the future.

K to 12 is partly about babysitting the kids so the parents can do other things.

AIDS itself is subject to incredible stigma.

Harnessing steam power required many innovations, as William Rosen chronicles in the book 'The Most Powerful Idea in the World.'

TV historically has been a broadcast medium in which everybody's picking from a finite number of channels.