New research suggests diverse headgear in hoofed mammals evolved from common ancestor
There are about 170 modern ruminant hoofed mammal species with headgear, and many more in the fossil record. The headgear we ...
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Effectiveness of headgear in a pilot study of under 15 rugby union football
Objective—To determine whether protective headgear reduced the incidence of concussion in a pilot study of under 15 rugby union. Methods—Sixteen under 15 rugby union teams were recruited from three ...