ISELIN, N.J.--(BUSINESS WIRE)--Registration has opened for The 2015 Siemens Competition in Math, Science & Technology, the nation's premier science research competition for high school students. Registration and submission instructions are now available online at https://siemenscompetition.discoveryeducation.com. The deadline for receipt of entries is Tuesday, September 22, 2015 at 11:59 p.m. Eastern Time. The Siemens Competition, established in 1999, is a signature program of the Siemens F