World War II saw the emergence of some groundbreaking jet fighters that revolutionized aerial warfare. The Messerschmitt Me ...

Two EAA members undertake project to build a flying reproduction of the German ace pilot Ernst Udet's Curtis Hawk II. [...] ...

The 1:1 ratio results from the way the X and Y chromosomes are doled out in sperm and eggs. We know that boys and girls are produced in much the same frequency. But how – and why – is this 1:1 ...