Reasons for colonizing Mars include curiosity, the potential for humans to provide more in-depth observational research than uncrewed rovers, economic interest in its resources, and the possibility that the settlement of other planets could decrease the likelihood of human extinction --wikipedia
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The Power of Neuroplasticity,
by Shad Helmstetter
The breakthrough scientific discovery that every thought you think rewires your brain, and changes your life --subtitle
Research article: Daytime napping and Alzheimer's dementia
Older adults tended to nap longer and more frequently with aging, while the progression of Alzheimer's dementia accelerates this change by more than doubling the annual increases in nap duration/frequency --study