Chemists created a molecule while researching the chemistry of the Australian pine tree, hoping it could work against Alzheimer's.

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His older brother, Scary Gary, who had already been in trouble with the law, had made him climb to the very top of a reedy Australian pine tree with a rope between his teeth.

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The discovery of the pine in 1994 caused a scientific sensation, and prompted the Australian government to protect the site where it was growing.

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