A Combinatorial Proof of Seymour's Conjecture for Regular Oriented Graphs With Almost Regular Outsets O'a and O"a
Lester Wayne Mackey, 18, Half Hollow Hills High School West, Dix Hills, New York

Silencing Cancer With RNA
Anila Madiraju, 17, Marianopolis College, Montreal, Quebec, Canada

Second prize awards of $500 U.S. Savings Bond:

Coconut Flower Extract as a Possible Remedy in Stopping Excessive Uterine Hemorrhage
Maithili Prafulla Dalvi, 16, Smt. Sulochanadevi Singhania School, Thane, Maharashtra, India

A Taxonomic Reassessment of the Phaeophyceaen Orders Ectocarpales and Scytosiphonales Based on Ribosomal Small Subunit (18S) DNA Sequences
Sudeep Banerjee, 16, Clovis West High School, Fresno, California

Suppression of Branches in Eucalyptus Trees
Sharanya S, 16, Avila Convent Matriculation Higher Secondary School, Coimbatore, Tamil Nadu, India
Senthalir P, 16, Avila Convent Matriculation Higher Secondary School, Coimbatore, Tamil Nadu, India

A Novel Room Temperature Fuel Cell Utilizing a Carbonate Ionic Liquid Electrolyte
Kunil Kaushik Raval, 17, Saginaw Arts and Sciences Academy, Saginaw, Michigan

All in the Family: Using Phylogenetic Systematics to Develop a Family of Arsenic Hyperaccumulators
Khaivchandra Ramjeawan, 17, Uniondale High School, Uniondale, New York

Sub-lethal Exposure of German Cockroaches to Pesticides Contributes to Increased Expression of Bla g 2, an Allergen Associated With Inner City Asthma
Yi-Chen Zhang, 17, The Bronx High School of Science, Bronx, New York

Characterization of the Secreted Aspartic Proteinases of Candida albicans Using a Novel Combinatorial Approach
Jamie Elyce Rubin, 16, Canterbury School, Fort Myers, Florida

IV. Measurements of Internal Electrostatic Confinement Electron Density using Microwave Interferometry
Tianhui Li, 18, Oregon Episcopal School, Portland, Oregon