サクサク読めて、アプリ限定の機能も多数！
I hope that this discovery leads to production of novel self-sharpening materials.
keloinwell のブックマーク 2010/12/30 10:28
このブックマークにはスターがありません。 最初のスターをつけてみよう！
www.nationalgeographic.com2010/12/30
Rock-Chewing Sea Urchins Have Self-Sharpening TeethFinding may lead to never-dull tools, study says. Sea urchins are perhaps best known for their armor of spines. But their mouths may be even more ...
3 人がブックマーク・2 件のコメント
＼ コメントが サクサク読める アプリです ／
I hope that this discovery leads to production of novel self-sharpening materials.
このブックマークにはスターがありません。
最初のスターをつけてみよう！
Rock-Chewing Sea Urchins Have Self-Sharpening Teeth
Rock-Chewing Sea Urchins Have Self-Sharpening TeethFinding may lead to never-dull tools, study says. Sea urchins are perhaps best known for their armor of spines. But their mouths may be even more ...
3 人がブックマーク・2 件のコメント
＼ コメントが サクサク読める アプリです ／