Tom Lisi

Six-year-old Brandon Holt was fatally shot in the head Monday by a 4-year-old friend and neighbor who got hold of a rifle in his home, and the incident is calling into question a law that charges gun owners with disorderly conduct if a minor gains unsupervised access to a gun.

Neuroscientists are trying to get New York City kids excited about the brain. Columbia University faculty members and students hosted a Community Brain Expo on Wednesday in Washington Heights, where parents, high schoolers, and elementary school students tried experiments and watched demonstrations aimed at teaching a younger audience about neuroscience.

If there's no such thing as bad press, it's a good week for rats in New York City.