Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

大年初五下午三点，深圳音乐厅“美丽星期天”将迎来春节期间的线下演出，由尊岭之秀乐团倾情呈现的 “迎春国韵——国乐赏析音乐会” 精彩上演。 本场演出需凭票入场，详情请点击【】进行了解。

在潍坊，只有你想不到，没有飞不上天的东西！巨型的章鱼风筝，在天空中张牙舞爪，仿佛把海洋搬到了天上；还有超级逼真的巨龙风筝，盘旋腾飞，一出现就成为全场焦点，长度能霸占半片天空，路过的鸟都得被吓一跳！

Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...