If honey is not organic that means that bees were using the flowers with pesticides. Organic beekeeping is the beekeeping practiced in clean environment, without intensive agriculture, use of synthetic feed and chemicals harmful for the bees.
Thereâs no way of knowing exactly how many of Henriettaâs cells are alive today. One scientist estimates that if you could pile all HeLa cells ever grown onto a scale, theyâd weigh more than 50 million metric tonsâan inconceivable number, given that an individual cell weighs almost nothing.
Make a decision about the length of the solar collectors. The collectors can be as long as 50 feet. Keep in mind that the collectors weigh 1 lb. per square foot, so a 2â x 50â collector will weigh about 100 lbs. This can be a difficult factor when carrying up a ladder or across a tile roof.