An 11-year-old rock hunter has uncovered an almost complete turtle shell dating to roughly 48 million years ago. That intact shell secured a rare glimpse into a vanished river world before weather ...
2009年9月にWindows 7がリリースされて以降、2012年8月にWindows 8、2015年7月にWindows 10、2021年10月にWindows 11と新しいバージョンのOSが更新されてきました。新しいOSには便利な機能も多数追加されていますが、「慣れていない形より従来のユーザーインターフェース ...
Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a mechanical constraint that prevents the chest from expanding during ...
It's a long-held idea that turtles can tuck their heads into their shells when threatened. But is it true? And is this protective trick why turtles the world over have shells today? The answer is that ...
TOKYO -- Among material of great value used to create accessories and handicrafts during Japan's Edo period (1603-1867) were "bekko," or processed turtle shells with an exquisite blend of hues of ...