important people and the inventions that have changed history

http://en.wikipedia.org/wiki/George_Harrison_Shull

http://en.wikipedia.org/wiki/Henry_A._Wallace

http://en.wikipedia.org/wiki/Rachel_Carson

http://en.wikipedia.org/wiki/John_Deere_(inventor)

http://en.wikipedia.org/wiki/Cotton_gin

http://en.wikipedia.org/wiki/Reaper-binder

http://en.wikipedia.org/wiki/Threshing_machine

http://en.wikipedia.org/wiki/Steam_engine

http://en.wikipedia.org/wiki/Combine_harvester

http://www.stevespanglerscience.com/lab/experiments/strawberry-dna
**really cool experiment, I extracted the strawberry DNA with my forensics class

http://msucares.com/pubs/publications/p2469.pdf
**gives ideas on food experiments