300 High School Seniors Named Intel Science Talent Search 2011 Semifinalists WHEN: Jan. 12. Semifinalists on Eastern and Central Time will be announced at 1 p.m. EST/12 p.m. CST. (Any Semifinalists from North Dakota, South Dakota, Nebraska, Kansas and Texas will also all be announced at this time). Semifinalists on Pacific and Mountain Time will be announced at 1 p.m. PST/2 p.m. MST. (Any Semifinalists from Alaska and Hawaii will also be announced at this time). WHAT: Three-hundred seniors from