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    • Do Fish Sleep? They Have to ... Right?

      Do Fish Sleep? They Have to ... Right?

      HowStuffWorks via Yahoo News· 43 minutes ago

      Some fish are nocturnal, and some are diurnal (awake during the day, like many humans). These tendencies primarily evolved based on when they are more or...

    • What older adults need to know about concussions

      AOL· 4 hours ago

      The word “concussion” may bring to mind football players and other athletes. In fact, the most common cause of concussion is a fall. Which means older adults are more vulnerable ...