Lech Lecha: Malki-Tzedek and Abraham
Israel's first Chief Rabbi: "A cohen is not an intermediary but someone who purifies us and enables us to approach G-d directly."
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Purification
News and updates about Purification
Tahara (purity) and Tumah (impurity)
TAZRIAH Leviticus 12:1-13:59: These are concepts that can only be explained in picture form. They represent a state of being.
Self-organization makes for efficient separation
A new, water-based, recyclable membrane filters all types of nanoparticles.
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