One style, which some people refer to as a “waterfall” gravity bong, uses the negative pressure of water falling out of a bottle to pull air through the plant material and fill the chamber with smoke.

Before the abundance of highly concentrated forms of cannabis, we had to get creative to elevate highs to levels the average pipe and bong couldn’t. The only two ways to accomplish this were with the ...

A group of bumblebee catfish was caught on video appearing to defy gravity, swimming up a mini waterfall in Brazil. In the video, the fish are seen climbing a waterfall in the Aquidauana River, ...

Imagine a waterfall that flows upward instead of falling down, defying the laws of gravity and leaving onlookers baffled. This bizarre natural phenomenon, known as an "invisible waterfall" or "reverse ...