But a blow on the head has left Simon unable to remember where the rolled-up treasure may be.

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While he was zipping it up again he was struck, a blow on the right side of his head.

NEWYORKER: Bravado

Chambers refused to blame an incident in training on Thursday when a blow to the head from a football left him unconscious.

BBC: Lewis-Francis downs Chambers

Violating its own concussion management plan, Arizona kept quarterback Matt Scott in a game last fall after Scott took a blow to the head and began vomiting on the field.

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The jury was told that no significant injuries were found on the back of his head, leading a home office pathologist to believe the fatal blow may have been struck as he lay on the ground.

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Eric Hebborn was killed by a hammer blow to the back of his head, inflicted on the night of January 11, 1996, in the Trastevere district of Rome.

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One of the companies making headway in the Business of Concussions is Guardian Caps, which created a cap that an individual can place on an existing helmet for the stated purpose of reducing the impact in the case of a blow to the head.

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