Enjoy this sampling of the stories from around the internet that captured our interest this week:

Can a disabled form of HIV be used to fight cancer? A story in The New York Times delves into an experimental treatment.

Earlier this week, Markham Nolan shared how his team verifies videos from war-torn regions to make sure that they are legitimate. Because powerful footage can change how the world thinks. To see just how much, check out this list of 20 powerful moments human rights videos, compiled by Witness, the nonprofit dedicated to opening eyes to human rights abuses.

Graffiti may soon go 3D. PSFK shares the work of street artist James Cochran, who has developed a three-dimensional technique to be enjoyed with or without 3D glasses.

Mother Jones takes a look at the phenomenon of “extreme poverty,” families in the United States that survive on less than $2 per person per day.

How long would it take Santa to deliver presents to every child on planet Earth? Popular Science talks to a professor of mechanical and aerospace engineering who specializes in Santa mathematics.

A TEDMED speaker’s bold plan to fix healthcare: An aspirin a day. David Agus shares his idea in The New York Times Op-Ed section.

As the country reels from news of the terrible shooting that has left 27 dead, including 20 children, at the Sandy Hook Elementary School in Connecticut, Buzzfeed takes a look at four decades of magazine covers about gun violence, showing how this conversation has evolved since 1968.

Tennis player Novak Djokovic appears to have an idea for making his family’s restaurant in Belgrade a success. As New York magazine’s Grub Street reports, Djokovic has bought up the world’s supply of Pule, a donkey cheese believed to be the most expensive cheese in the world.

Earlier this week, we shared the comedy styling of Maz Jobrani and his fellow Axis of Evil Comedy Tour performers. Apparently, comedians in the Middle East are also finding the spotlight, thanks to YouTube. The New York Times takes a look at several YouTube shows that have taken off since the Arab Spring.