Using the quick search there are shown up to three reports about hollow:
The work, reported by Jill Pruetz of Iowa State University and Paco Bertolani of the University of Cambridge, will appear online in the journal Current Biology on February 22nd.Chimpanzees are well kn...
Biowissenschaften Chemie |Using the fulltext-search for the word hollow you can set up serveral searching-options > choose search options