WHETHER THOSE RESOLUTIONS FOR THE NEW YEAR ARE HANGING ON OR NOT, JANUARY IS CERTAINLY A TIME WHERE SO MANY OF US FOCUS ON SELF-CARE. METEOROLOGIST MARQUISE MEDA IS AT THE ORLANDO SCIENCE CENTER, ...

Billions of people around the world dutifully brush their teeth with toothpaste every day, but some are starting to question this status quo. These contrarians see sense in brushing but aren’t sure ...

MEREDITH: WELCOME BACK. YOU KNOW WHEN YOU ARE BRUSHING YOUR TEETH AND THE TOOTHPASTE BECOMES REALLY FOAMY IN YOUR MOUTH? THAT’S BECAUSE OF A CHEMICAL REACTION AND IN THIS WEEK’S SCIENCE OF IT, WE ARE ...