Chemicals from our phone and TV screens are accumulating in the brains of endangered dolphins and porpoises. New research shows these "liquid crystal monomers" from e-waste can cross the blood-brain barrier and may disrupt DNA repair, highlighting the growing impact of electronics on marine life.
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2-phase A* already uses many heuristics which don't always create an optimal route and still 5-10x slower.
但我会去捉蚂蚱。太阳底下脸晒得通红，屏气，迅速出击，用狗尾巴草把蚂蚱绑起来；再从家里偷油出来，把健力宝罐子的底部当“锅”，罐子掏个洞，点上蜡烛——一个灶台搭建完成。和小伙伴们围在一块儿，炸蚂蚱吃，小时候觉得嘎嘎香，长大之后却再也不敢碰了。
南方周末记者注意到，浙江、江苏、江西、湖南、福建等大多数省份的户口登记管理规定中，均包含了与国务院文件精神一致的“其他无户口人员”条款。