Dwight David, known as Ike. 1890â1969, US general and Republican statesman; Supreme Commander of the Allied Expeditionary Force (1943â45) and 34th president of the US (1953â61). He commanded Allied forces in Europe and North Africa (1942), directed the invasion of Italy (1943), and was Supreme Commander of the combined land forces of NATO (1950â52)
What capability did the development of a vascular system provide to plants? Greater efficiency for nutrient transport and structural support What is the same and what is different between gymnosperms and angiosperms?
Living layers: Harvard researchers demonstrate their method for creating vascularized tissue constructs by printing cell-laden inks in a layered zig-zag pattern. In what may be a critical breakthrough for creating artificial organs, Harvard researchers say they have created tissue interlaced with blood vessels.rtificial Organs May Finally Get a Blood Supply. Artificial tissue has always lacked a key ingredient: blood vessels. A new 3-D printing technique seems poised to change that. 1  By Susan Young Rojahn on March 6, 2014.