New research suggests helmets used in World War I protected soldiers against overhead artillery blasts just as well as modern helmets—and one, the French Adrian helmet, actually performed better.

The Army has pushed back on a study purporting to show that World War I "tinpot" helmets were just as good or, in some cases, better than the service's current Advanced Combat Helmet in mitigating ...

The WWI helmets would do little if anything to protect against the shockwaves from roadside bombs or improvised explosive devices that often come from the ground upward or along a horizontal path.

"That was very surprising, actually," says Joost Op 't Eynde, the Belgian bioengineering doctoral candidate at Duke who led the research project comparing three WWI-vintage helmets with the ACH model.

A pyramid of WWI German Pickelhaube helmets outside of Grand Central Terminal, 1919. ... Marking the end of Victory Way stood a massive pyramid of 85,000 stacked enemy helmets.