Wormwood and Self-Examination

(Self justification can lead us down the road from chet to zadon, from carelessness to willful defiance, from rosh to la’anah; September 2018)

(more…)

September 14th, 2018 - Posted in Holidays, Nature in Biblical Metaphor, Yom Kippur | 5 Comments

Jonah and the Castor Bean

(Jonah’s shade plant provides a graphic metaphor for the message of this Biblical book.; August 2015)

(more…)

August 24th, 2015 - Posted in Nature in Biblical Metaphor, Yom Kippur | 4 Comments

Achashverosh–Bumbling King or Agricultural Pest Insect?

(The king of Persia in the book of Esther, the legend of The Wandering Jew, and entomology; February 2010)

(more…)

February 24th, 2010 - Posted in Purim | 3 Comments

Botany, Prophecy, and Theology

(Botany determines Jeremiah’s theology; August 2009)

(more…)

August 17th, 2009 - Posted in Land of Israel, Nature in Biblical Metaphor | 7 Comments

Drug-free sabbath candles

(Hemp and the laws of Shabbat candles; July 2008, revised August 2008)

(more…)

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)

(more…)

August 20th, 2008 - Posted in Passover | 2 Comments

Environmentally sound Bible publishing

(Environmental certification of wood and paper; July 2008)

(more…)

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)

(more…)

August 20th, 2008 - Posted in Passover | 2 Comments

Sabbatical potatoes

(Contemporary shmitah observance; March 2008)

(more…)

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)

(more…)

August 20th, 2008 - Posted in Blessings, Purim | 1 Comments

Next Page »