In our Daily Threat Assessment slideshow, we bring you stories that are (for the most part) important in some way but also striking, shocking, funny, or just plain strange, and divvy them up into two types: With Us and Against Us. In today's installment,

With Us

• In Mexico, a teacher soothes her students with a song – as a drug shootout goes down

• Japanese seniors offer help at leaking nuclear plant

• Scannable gravestones bring the dead to life

Against Us

• Cell phones are "possibly" carcinogenic

• Hackers might take over your car

• Arizona penalizes the obese, smokers

Click through to the photo gallery.