Link roundup – file under creepy:
http://en.wikipedia.org/wiki/Marie_Curie:
Due to their levels of radioactivity, her papers from the 1890s (and even her cookbook) are considered too dangerous to handle. They are kept in lead-lined boxes; those who wish to consult them must wear protective clothing.
“Verified” at http://www.hypatiamaze.org/m_curie/curie_walk.html.