Researchers have designed a lithium-ion battery that contains a fire-extinguishing material, which is released if the battery gets too hot. 研究人员设计出一款自带灭火材料的锂离子电池，在电池过热时就会释放灭火材料。 Flame retardant triphen

Long before they’re  making their linguistic debut, babies are watching, listening, processing, their little brains

　　　　在Cooper照片展览上 　　Ever wonder what the cat gets up to when you let it out? Well, now you know, thanks to the amazing Cooper - the feline photographer. 　　你想明白猫猫平时都去哪里玩嘛？让Cooper这