In a remarkable archaeological breakthrough, a team from the University of Iowa has uncovered a well-preserved mastodon skull dating back 13,600 years. This incredible find in Wayne County, Iowa, not ...

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首页» 新闻» 13,600 年前的乳齿象头骨揭示了古代爱荷华州可能存在的人类互动 爱荷华大学的一个研究小组取得了重大考古突破，发现了一个保存完好的乳齿象头骨，可追溯到 13,600 年前。爱荷华州韦恩县的这一惊人发现不仅让考古学家兴奋不已，还让人们有机会 ...

Motion, color, light and shadow: everything we see is the result of complex computations in our brain – or, more precisely, in the visual cortex. This is where stimuli that hit our retina are broken ...

If you have extra time, Rock Climbing is worthwhile. Climbers flock to Joshua Tree from around the world to tackle the literally thousands of routes open to them. There are challenges for all ...