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Vin Ferrara, a former Harvard quarterback, accidentally discovered a new way to cushion football helmets. One night, he was looking for an aspirin when he saw a squirt bottle in his medicine cabinet. As he pumped it and then punched it, he realized that the bottle withstood the blows of different forces. What need or problem was Ferrara trying to solve?
a. Football players often experienced injuries to their heads.
b. Football players could not identify their teams because their helmets were all identical.
c. Football players needed a streamlined helmet in order to run faster.
What is a. Football players often experienced injuries to their heads.