CAPE CANAVERAL, Fla. (AP) — Soil and rocks returned from the moon’s mysterious far side suggest it may be drier than the side constantly facing Earth, Chinese scientists reported Wednesday.But they cautioned more samples are needed for a clearer picture.A better understanding of the abundance of water in the lunar mantle can help explain how the moon evolved, the researchers noted. But it could also be all the more reason for astronauts to stick close to the near side of the moon as currently planned.China became the first country to land on the moon’s far side last year. The Chang’e…