忘记密码

Science Briefs From Around the World

2020-06-25 08:47 作者: 来源: 本站 浏览: 111 views 我要评论 字号:

摘要: Here are some brief reports about science and technology from around the planet, including one about a 70-million-year-old mollus...

Here are some brief reports about science and technology from around the planet, including one about a 70-million-year-old mollusc fossil that reveals that years back then had a few more days than we have now.

Let’s block ads! (Why?)

发表评论

你必须 登录后 才能评论!

会员登录关闭

记住我 忘记密码

注册会员关闭

小提示: 您的密码会通过填写的"电子邮箱"发送给您.

 

You need to log in to vote

The blog owner requires users to be logged in to be able to vote for this post.

Alternatively, if you do not have an account yet you can create one here.