01/27/22

Is it proper to stop participant recruitment in a clinical trial when a treatment or control group has been shown to be statistically significant?
"The study was randomized and double-blind. It was designed to be discontinued when interim statistical analysis found a significant difference in favour of one of the groups. This happened when 45... more
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01/20/21

AP Environmental Science Question Pls Help
You have heard that some shipping and transportation companies are considering a switch from gasoline and diesel to hydrogen fuel cells in their ground vehicles. These companies may ask the... more
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12/10/20

Phylogenetic Tree- Quartet puzzling
Consider the following neighbor relations: {N(ac;db),N(ae;db),N(ce;db),N(ac;eb),N(ac;ed)}Use quartet puzzling to determine the correct tree topology.
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03/26/19

Raphide toxicity in Pothos plant?
Recently I found out that the common houseplant Pothos (Epipremnum aureum) is toxic to cats and dogs due to the presence of "insoluble raphides." I have a lot of these plants around my house and my... more
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10/14/18

Evaluate the who definition of health published in 1948 is that health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.
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