Can you tell a watermelon's ripeness by knocking on it?
Stop washing your teeth with charcoal, scientists urge.
In truth, all cities in the world would benefit from planting more trees.
Just don't go overboard with the snacks.
It's probably your fault -- of course.
It's a simple thing that can make a big difference -- especially for low-income children.
Careful with that insect repellant.
94% of Americans waste food. The good news is that things can be improved with a few simple tips.
"All kinds of things have gone wrong" with the internet, says Berners-Lee.
A new study sheds some much-needed light on a controversial topic: police militarization.
It's a small gesture, but it can make a big difference for the tiny bees.
I know it's a long shot, but hear me out.
Give me coffee or heads will roll.