2011年10月21日 · Archaeologists say that pre-Clovis hunters in Washington state used a bone spear point (seen above embedded in a rib) to pierce a mastodon. The find adds to the wave of recent compelling evidence demonstrating an earlier, pre-Clovis settling of the Americas (Science, 25 March, p. 1512).

2011年10月21日 · Organic matter associated with the mastodon yielded calibrated radiocarbon ages of ~14 thousand years ago (ka) (8, 10) (table S1). Over the past 35 years, the age and evidence for human involvement with the Manis mastodon have been challenged .

2011年10月20日 · Carbon dating of collagen from the mastodon's rib and tusks yielded dates of approximately 13,800 years, confirming the animal's antiquity. Additionally, DNA and protein sequencing of the rib and...

CMX.IM是长毛象(Mastodon)的一个中文实例。Mastodon 是一个开源的、符合 GNU Social 规范的去中心化社交网络，整个长毛象社区是由无数实例组成的。注册本社区后你不仅可以与本实例内的用户互动，并且可以与来自世界各地的其他实例中的用户无缝连接。

2023年2月3日 · As early as 23 million years ago, giant mastodons roamed the Earth. These elephant ancestors were typically shorter than their modern day descendants, but were more dense and also bore signature...

2011年10月20日 · A new look at a very old mastodon skeleton has turned up evidence of the first known hunting weapon in North America, a tool made of bone that predates previously known hunting technology by 800...

2011年10月20日 · The humans who killed the mastodon were "carrying a toolkit that was durable, lethal and portable", Waters says. The Manis site may even be a two-for-one discovery.

2025年1月28日 · The American mastodon (Mammut americanum), often recognized by its iconic towering stature and long, curved tusks, once roamed the expansive landscapes of North America long before the Ice Age transformed the continent.

2023年2月15日 · Earliest Known Direct Evidence of Mastodon Hunting in the Americas. A team of researchers led by a Texas A&M University professor has identified the Manis bone projectile point as the oldest weapon made of bone ever found in the Americas at 13,900 years.

2025年1月6日 · Mastodon是一个开源的去中心化社交网络平台，由德国程序员Eugen Rochko于2016年开发。 它与传统的社交媒体平台如Twitter、Facebook不同，最大的特点是去中心化，即平台不是由单一的公司或服务器控制的，而是由多个独立的服务器（即“实例”）组成。 这些实例通过“活动流”互联，形成一个相互独立但又相互联系的网络。 每个Mastodon实例可以由不同的管理员管理，每个实例的管理者可以根据自身的需要和偏好制定规则和政策。 不同实例之间的信息能 …