60秒科学节目（SSS）是科学美国人网站的一套广播栏目，英文名称：Scientific American - 60 Second Science,节目内容以科学报道为主，节目仅一分钟的时间，主要对当今的科学技术新发展作以简明、通俗的介绍，对于科学的发展如何影响人们的生活环境、健康状况及科学技术，提供了大量简明易懂的阐释。
A cracked martphone creen' no good. But future phone may be old with crack built in—becaue a network of tiny crack can actually toughen up a piece of gla.
The crack reearch team borrowed the concept from mother-of-pearl, the iridecent tuff in abalone hell. It' 3000 time h2er than the mineral it' made of, due to it jigawlike contruction.
Uing a 3-D laer engraver—the tool ued to make thoe gla trophie with a logo floating inide—the reearcher carved crack a few micron wide into gla lide, and filled the crack with polyurethane. The reulting gla wa 200 time tougher, becaue the microcrack diipate energy, preventing larger crack. The tudy i in the journal Nature Communication.