综合一区欧美国产,99国产麻豆免费精品,九九精品黄色录像,亚洲激情青青草,久久亚洲熟妇熟,中文字幕av在线播放,国产一区二区卡,九九久久国产精品,久久精品视频免费

USEUROPEAFRICAASIA 中文雙語(yǔ)Fran?ais
Home / China

Scientists conclude dinosaur had gum disease after biting

By Cheng Yingqi | China Daily | Updated: 2013-06-04 08:14

Scientists conclude dinosaur had gum disease after biting

An impression of a Sinosaurus with dental disease. Provided to China Daily

About 190 million years ago, a dinosaur got a toothache after biting into something hard. In fact, the damage was so bad, it damaged the gum.

Scientists conclude dinosaur had gum disease after biting

Today's Top News

Editor's picks

Most Viewed

Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
冕宁县| 塘沽区| 贵溪市| 榕江县| 巫山县| 德令哈市| 宿州市| 鞍山市| 锦州市| 广灵县| 襄汾县| 南召县| 博爱县| 伊金霍洛旗| 襄汾县| 广元市| 内黄县| 孟州市| 加查县| 历史| 平度市| 宁陕县| 高阳县| 鹤岗市| 抚顺市| 宁晋县| 澳门| 河南省| 庄浪县| 丁青县| 阳春市| 华亭县| 东阳市| 长春市| 西充县| 合作市| 惠来县| 张家港市| 婺源县| 商都县| 荣昌县|