Growing up in a home full of books is good for you. According to researchers from Australian National University, people who grow up with books at home are better at reading and communicating with others. But how many books are enough to make a difference? The magic number seems to be 80 or above.

Chocolate smells so good. But do you know where chocolate comes from?

Chocolate is made from cacao. Scientists used to think cacao was first found in Central America and Mexico about 3,900 years ago. But scientists from Canada have found that people in Ecuador grew cacao. They grew the plant over 5,000 years ago.

With this scarf, you won't be cold during the winter. The Sustain Sport Heated Scarf from Taiwan can heat itself.

Just put on the scarf and press a button. Within 15 seconds, the scarf becomes warm. There are two heat choices for the scarf: 42℃ and 46℃. The scarf can stay warm for 3.5 hours on one charge. You can charge it with a USB port.

On Nov. 9, 2018, Chinese science fiction writer Liu Cixin, 55, won the Clarke Award for Imagination in Service to Society in Washington D．C．, US. It is named in honor of(为纪念) British science fiction writer Arthur C．Clarke. Liu said Clarke's works introduced him to sci-fi and have encouraged his imagination ever since the 1980s.