CHICAGO (CBS) -- Authorities in Kane County finally solved a cold case dating back 46 years, when a human skull was found during a home renovation project in Batavia in 1978. The Kane County ...

Samples of the correspondence Credit: Courtesy of the Mendelianum, Brno, Czech Republic. On New Year's Eve, 1866, Gregor Mendel wrote to the prominent Swiss botanist Carl Nägeli to tell him about his ...