Residents at properties owned by Jared Kushner's family real estate firm have complained about mold, bedbugs, leaks and mice.

By Regina Garcia Cano, Bernard Condon, Associated Press

Rats are commonplace in cities around the world, but they remain in many ways mysterious, including in the potential threat they pose to public health, experts say.

By Andrew Joseph, STAT

Regret, it turns out, is not just a human emotion. Rats regret their bad decisions too, a study in the journal Nature Neuroscience finds. And only a few of them learn from it.

By Rebecca Jacobson, Inside Energy

Hurricane Katrina damaged more than 100 of New Orleans' 128 public schools and led to a state takeover of the district. As a result, schools, teachers and students have had to start from the beginning to improve the state of…