Dentist warns against 1 habit that leaves “the baddest, toughest” germs in your mouth
"The majority of our population has oral diseases, so that means that what we’re currently doing is not working"
As the Great Salt Lake dries up, Utah faces “an environmental nuclear bomb”
As climate change continues to cause record-breaking drought, there are no easy solutions
Is solar power the key to humans living on Mars?
Humans on Mars would need to use the only raw materials available to make everything they need for survival