Ashton Kutcher Just Told A Bunch Of Teenagers How To Be Sexy, In The Smartest Way Ever
httpv://www.youtube.com/watch?v=zuBSRC1zpHw
Via Upworthy
Tag: Eddowding
Ancient Roman Concrete Is About To Revolutionize Modern Architecture
schwit1 sends this news from Businesweek: “After 2,000 years, a long-lost secret behind the creation of one of the world’s most durable man-made creations ever — Roman concrete — has finally been discovered by an international team of scientists, and it may have a significant impact on how we bu