Bohr died in 1962, but "he set a style of 'proof by intimidation' in physics that has lasted up to the present, " says Carver.

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Furthermore, he too, set out to obtain more proof.

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There are high chairs to be set up, electrical outlets to safety proof, and formula to buy in bulk.

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Risk assessments can serve as a vehicle for early buy-in, a method to secure budget and resources, a gauge for progress, a way to avoid fire-drills and set priorities for your program, a natural reporting-out format, and proof for regulators of the adequacy of your program.

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"Let me reiterate, until we have PROOF OF LIFE, we cannot celebrate these rumors and sightings, " she wrote on a Facebook page set up to facilitate a search for the couple.

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