Philoptima - an open innovation marketplace of resourceful people provides solutions to hard problems in business, various streams of science, engineering and product development. Several agencies post cash awards for best solutions.
http://www.philoptima.org/

A home DNA paternity test is the answer for those seeking reassurance about their familial relationships. Take a cheek swab from the child and putative father using the free DNA collection kit, return the samples for analysis and receive the test results
http://www.eurofinsgeneticservices.co.uk