Why Do Tea Leaves Gather At The Center Of A Cup After Stirring?

The science behind a counter-intuitive everyday observation

Photo by Toa Heftiba on Unsplash

In our daily lives, so many things happen around us, which look quite ordinary. Some are human-made, and some are natural. We do not see anything surprising in them as they are a part of our daily routine. But, if we think about them for a bit and wonder why…