A look at five important and interesting stories around the web on Friday. 

This list is curated by 12 News Assignment Editor Eric Watson.

'I remember blacking out': Researchers, former football players tackle the concussion crisis 

Are you ready for some football?

Ransomware threat forces Flagstaff schools to close Thursday, Friday 

Hacker holiday for Flagstaff students.

Crystalline nets harvest water from desert air, turn carbon dioxide into liquid fuel 

Luke Skywalker started out as a moisture farmer.

Michigan bans flavored e-cigarettes to curb youth vaping epidemic 

What the vape is happening?

Cancer has now surpassed heart disease as the number one killer in some populations 

Improving diet and reducing household air pollution are the takeaways here.

Bonus list of the day.

Just because you love a pop culture figure doesn’t make them influential. Here are the ones who actually changed us.