Why did Marie Curie refuse to patent the discovery of Radium?

After discovering Radium in 1898, Curie and Pierre balked at the opportunity to pursue a patent for it and to profit from its production.

She might not need those patient, maybe she wanted to proofed her skills as a woman in the old days

Explanation:

After discovering radium in 1898, Curie and Pierre balked at the opportunity to purpose a patent for it and to profit from its production.

she might not need those patient, maybe she wanted to proofed her skills as a woman in the old days

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