China bans children from late-night gaming to combat addiction

Under-18s barred from playing between 10pm and 8am and are allotted 90 minutes a day during the week China has imposed curfews on minors playing video games to combat what the government says is a serious addiction harming the physical and mental health of minors. In regulations released by the National Press and Publication Administration on Tuesday, gamers under the age of 18 are now barred from playing online games between 10pm and 8am. During the week, minors are allowed just 90 minutes a day, an allotment that stretches to three hours on weekends and public holidays. The new rules also limit the amount of money spent in online games to 200 yuan ($29) a month for those between the …

Hong Kong protester shot with live round during China National Day rally

Violence erupts as thousands protest on 70th anniversary of communist rule in China Hong Kong police have shot a protester with live ammunition for the first time in four months of demonstrations, marking a major escalation in the use of force on a day when shooting the protester at point blank range with a pistol. Other footage Map of key incidents in Hong Kong Crowds gathered in central Hong Kong, where police were using water cannon and teargas, Hong Kong protesters use chairs as barricade during riots video Hong Kong has been gripped by protests since June. Sparked by a controversial extradition bill, they have morphed into a wider and increasingly violent anti-government movement channelling residents anger and frustration at …

Scientists discover way to grow tooth enamel

Experts produce clusters of enamel-like calcium phosphate to crack age-old problem Scientists say they have finally cracked the problem of repairing tooth enamel. Though enamel is the hardest tissue in the body, it cannot self-repair. Now scientists have discovered a method by which its complex structure can be reproduced and the enamel essentially grown back. The team behind the research say the materials are cheap and can be prepared on a large scale. After intensive discussion with dentists, we believe that this new method can be widely used in future, said Dr Zhaoming Liu, co-author of the research from Zhejiang University in China. Tooth decay is extremely common: according to journal Science Advances, say they got around this problem by …