It’s something that we take for granted these days: that 99.9% of the jackets, gloves, pants, and boots we buy to ride in will have some form of CE Level 1 armor. We expect it at the heel and toe, ...

The trade-off between quality and quantity is a fundamental economic dilemma. Now, a team of British, American, and Japanese researchers describes how it applies to biology, as well. They have ...

The First World War forced armies to rethink protection and firepower in confined trenches. This section examines the rise of ...