KHUT-FM, 88.7 Houston Public Radio, Jan. 24, 2009 UTMB professors Norbert Herzog and David Niesel devoted Saturday's installment to two new tests under development to help determine if a baby will have Down syndrome. "They're not only much safer, they're accurate and cheaper. A simple drop of Mom's blood is used to examine the small amount of fetal DNA present. ... The new tests will let expecting moms know their baby is healthy or allow them to better prepare for what's ahead."