The Department of Homeland Security’s (DHS) Science & Technology (S&T) Directorate is soliciting proposals from small businesses in the following five research topics: H-SB08.1-001, Assess Ability to use Eye Tracking and Pupil Dilation to Determine Intent to Deceive; H-SB08.1-002, Miniature Chem/Bio/Explosive Sensors; H-SB08.1-003, Mapping of Long Term Threats, Vulnerabilities, and Impacts; H-SB08.1-004, Trace Explosives Sampling for Vehicle Borne Improvised Explosive Device Detection; and H-SB08.1-005, Smart Sensor System. DHS plans to award either purchase orders and or contracts in Phase I of the Small Business Innovation Research (SBIR) Program at $99,990. Sol. No. DHSSBIRFY081. Respond by Feb., 4, 2008. Contact: Wanda Armwood, contracting officer, 202-254-6678, [email protected].