As long as we do not know how the cell works, we don't know the kind of havoc the AIDS virus creates in the cell.
The blue light emanating from our cell phones, our tablets and our laptops is playing havoc on our brain chemicals: our serotonin, our melatonin. It's screwing up our sleep patterns, our happiness, our appetites, our carbohydrate cravings.
If AIG collapsed, it would have buckled our financial system and wrought economic havoc on the lives of millions of our citizens.
Australia is the only island continent on the planet, which means that changes caused by planet-warming pollution - warmer seas, which can drive stronger storms, and more acidic oceans, which wreak havoc on the food chain - are even more deadly here.
Epidemiologists study patterns in order to combat infection. Stories about epidemics follow patterns, too. Stories aren't often deadly, but they can be virulent: spreading fast, weakening resistance, wreaking havoc.
Dividers seek to make themselves look or feel better by making others feel worse. They damage relationships, fracture teams and organizations, and create havoc in people's lives.
American culture is torn between our long romance with violence and our terror of the devastation wrought by war and crime and environmental havoc.
Lawmakers who attempt to find solutions to the havoc ObamaCare has wreaked across the nation are taking healthcare protections away from newborns.