This study examines and compares three pieces of Renaissance style gold and enamelled jewelry owned by the Walters Art Gallery, Baltimore, MD, USA. These are a 16th century Hat Badge of Adam and Eve, a 19th century Fortitude Pendant and a Diana Pendant presumed to be of the 16th century (The Walters Art Gallery, Jewelry, Ancient to Modern (Viking, New York, 1979)), Ref. [1]. PIXE spectroscopy w...

In July 1950, Moroccan Rabbi Yahya Ben Harosh wrote a letter to his students chastising those exposed ultraOrthodox anti-Zionist influences for disparaging and denigrating Zionist leaders the founders of State Israel. This article discusses historical background letter, including ideological foundation rabbi’s vigorous protest: from position regarding messianic concept religious affirmation Zio...

The well-known Hilbert’s 16th problem has remained unsolved since Hilbert proposed the 23 mathematical problems at the Second International Congress of Mathematics in 1900 [Hilbert, 1902]. Recently, a modern version of the second part of the 16th problem was formulated by Smale [1998], chosen as one of the 18 challenging mathematical problems for the 21st century. To be more specific, consider ...

While both these source books are more than adequate, Great Experiments in Biology is, by and large, the better of the two. Great Experiments contains 63 excerpts or complete papers and Classics of Biology, 75. Gabriel and Fogel have made the better selection and have organized their work better than Pi-Sufier, but the latter has written more adequate introductions to his various sections. Both...