mistoryman's Activity (402)
inuyasha added a news bookmark.Concrete has been a major contributor to the spread of civilization. From the Pantheon built by the Romans almost 2,000 years ago to our homes today, the concoction made from wa...About 6 years ago
inuyashaliked a comment in Video Of The Week - Watch A (Robotic) Surgeon Stitch Back A Grape Skin.About 6 years ago
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