Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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The longest a person has survived after a heart transplant is 24 years.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Large male size and mating success.
Male tule elk in Point Reyes
Two lionesses and a mature male of a pride, northern Serengeti
Diplacodes trivialis (male)
The correct statement about hormones-insulin and glucagon