Because of its capacity to be freeze-dried and reconstituted, agar is considered a “physical jelly” (that is, a jelly that sets and melts with temperature changes without needing any additives). This property makes dry agar easy to ship and preserve for long periods of time.5
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His first trip into space was aboard the two-man Gemini 7. Lovell and fellow astronaut Frank Borman ate a steak-and-eggs breakfast and blasted off.