The Science Siblings love an at-home experiment. Paige and Adam Jacobson went the chemistry route with this one, concocting “elephant toothpaste.” Start by adding the food coloring to the hydrogen ...

Colgate redesigned its toothpaste tubes so they can go into curbside recycling bins. It could eventually keep a billion tubes out of landfills each year. Every year, Americans toss a billion tubes of ...

As Robert F. Kennedy Jr. is pushing for curbs on fluoride in water under what he says is his Make America Healthy again mission, a Republican ally in Texas is taking that fight to the makers of Bluey ...