Drug-free sabbath candles
(Hemp and the laws of Shabbat candles; July 2008, revised August 2008)
August 20th, 2008 - Posted in Sabbath | 0 Comments
Pomegranate physics for Passover
(Wood anatomy, heat transfer, and the Paschal lamb; July 2008, revised Aug. 2008 and Aug. 2009)
August 20th, 2008 - Posted in Passover | 2 Comments
Environmentally sound Bible publishing
(Environmental certification of wood and paper; July 2008)
August 20th, 2008 - Posted in Environmental Conservation | 0 Comments
Saying no to bread worship
(Significance of yeast fermentation in pharaonic Egypt and Passover; July 2008)
August 20th, 2008 - Posted in Passover | 2 Comments
Sabbatical potatoes
(Contemporary shmitah observance; March 2008)
August 20th, 2008 - Posted in Land of Israel | 1 Comments
Bananas—For blessing, not for slapstick, even on Purim
(Botanical basis of the blessing said before eating a banana; March 2008)
August 20th, 2008 - Posted in Blessings, Purim | 1 Comments
Mushrooms—Selfish, helpful, and rocket fuel
(Mushrooms in halacha, kabbalah, social criticism, and biology; March 2008)
August 20th, 2008 - Posted in Blessings | 4 Comments
A tree that helps animals prepare for Purim?
(Elephants and the marula fruit; March 2008)
August 20th, 2008 - Posted in Purim | 2 Comments
Timber for the tabernacle… Today
(Midrashic and botanical evidence of the source of the lumber used in building the mishkan; December 2007)
August 20th, 2008 - Posted in Land of Israel | 3 Comments
Ashkelon—Ancient Rome’s source for gourmet produce
(Ancient Israeli scallion and shallot exports; December 2007)
August 20th, 2008 - Posted in Land of Israel | 0 Comments
