chemistry

Look up into the night sky this July Fourth and you'll certainly see some fireworks, but what goes into making these colorful displays?

Amy Walker is a professor with the University of Texas at Dallas. She has her Ph.D. in chemistry, so she knows a thing or two about the science behind the boom.

Black and Latino students in Dallas high schools pass the Advanced Placement exams at the highest rate in the country. The story of how Dallas became the national leader in getting underrepresented minorities to pass these classes is a bright spot for the urban school district.