【简答题】DNA left at a crime scene could be used in the future to build up a picture of an offender’s face, it was revealed tonight. A first step towards genetic mugshots has been taken by researchers in the U...
【简答题】Scott Allen described a test of facilitated communication by Doug Wheeler and colleagues from the O. D. Heck Developmental Centre. Wheeler showed the facilitator a picture of an object (e.g., a pair o...