Keyword: Sura Jeselsohn
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When I took a physiology class in college, we performed various experiments. Among them was a demonstration of firefly lightning in which we mixed luciferin with luciferase and produced the yellow glow of bioluminescence. more
June 21 is astronomically the official beginning of summer. For many people, however, it begins simply with longer daylight hours. more
Science-fiction has, once again, provoked the fertile spark for this story. Harry Harrison, a prolific writer of the genre, wrote the fabulous Eden trilogy between 1984 and 1988. The salient point for our purposes today was the presence of a second intelligent race descended from reptiles living on our Earth with a vastly different approach to the practicalities of life. more
Stephanie Coggins and Sura Jeselsohn arrived early at the Equitable Building off Broadway in lower Manhattan for the 10 a.m. meeting. They were more than ready to express their disapproval of proposed changes to Bronx’s Special Natural Area District, this time directly to a body that could easily decide its fate: the City Planning Commission. The two women took their seats in the basement meeting room and waited. And waited. And waited. more
The last time we met, we began our discussion of the various techniques used to shape and modify trees with a brief discussion of pruning and grafting. Things are about to get more interesting! more
It’s been more than a month since we last heard from you in regards to the city planning department’s proposal to amend the Special Natural Area District zoning regulations, at the June 28 community board meeting at which the board rejected their opportunity to vote on a proposal they consider illegitimate. more
Humanity has never been satisfied with accepting the constraints of nature.  Whether it was building permanent structures close to rivers that were known to flood regularly or clearing malarial swamps, boundaries have been seen merely as obstacles to overcome. more
One of my favorite outdoor activities with small children is blowing bubbles. Yes, you can buy the solution — nothing more than water and dishwashing soap — in small containers that contain the little wands. more
To better understand the reach of the EcoFlora Project in New York City, here are some illuminating statistics. more
Regular readers of this column are already familiar with the EcoFlora Project run by the New York Botanical Garden. This project is trying to compile a complete list of plants — cultivated and wild — growing within New York City. more
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