Energy-efficient carbon fiber metro train unveiled in China

①China unveils bold space exploration roadmap involving asteroids, Martian samples and Jupiter ②Energy-efficient carbon fiber metro train unveiled in China ③Newly-developed neural probe achieves brain-wide neuronal activity recording in macaque brain in China ④Hong Kong Book Fair to feature film and TV literature ⑤Population of rare golden monkeys increases in China's Shennongjia ⑥Tea industry goes digital in east China ⑦A Thousand Whys: Let's have a cup of tea!