US Secretary of Education Arne Duncan surprised everyone when he suggested that schools should have later start times so parents could let kids sleep in a little Duncan, the former chief of Chicago Public Schools, said studies have shown that students do better if they start their school day rested. A 2012 study found that a later start time increased middle school kids standardized test scores in math and reading by two to three percentile points. W while Duncan acknowledged that later start times could be problematic for bus and work schedules, he encouraged local schools and superintendents to evaluate the idea.To further investigate the possibility of alternative splicing in chDab1, RT analysis of the retina and brain at different developmental stages was carried out using primer pairs flanking the deletion region (P1/P2) and the insertion region (P3/P4) (Figure 2). As shown in Figure 3A, RT of the deletion region generated two DNA bands, of 209 and 314 bp. The 209 bp band was