The police are now monitoring criminal/gang/drug 'activity' in the area.
There has been an increase in the city's (level of) economic 'activity'.
The instruments are used to detect volcanic 'activity' on the island.
(..) - We're losing her! We need to increase her oxygen! - I need a crash cart! - Her pupils are dilated! No reflexes. Not reading any brain activity. What are you doing? You're dying! You have to return to your body now, you don't have time. Time is relative. (..)2016 Doctor Strange