well compared to big asian countries where the pollution figures are more than tenfold offset sabia schmidt from our science desk thank you very much. and for me that's some potentially bad news for foster food chain k.f.c. a group of researches at princeton university now say the k.f.c. logo depicting the restaurants found on the condo can be mistaken for a stop sign by all to special intelligence houston self driving call the princeton scientists have come up with a system to spot signs which might prove confusing a recent finding now has some also whether the food chain will be forced to wait. until the. european social democrats are in crisis can the next generation save them french socialists are looking for a new leader while germany's s.p.d. is facing a crucial decision to rejoin a conservative government or not. young party members are speaking out can they help set the course for the social democrats future. next d w. into the conflict zone. after seven years to newseum remains the one country to much from the so-called arab spring as a functioning democracy or does it margaret ste