Whether it’s the 1970s or the early 2000s, mood rings are often associated with a few different time periods. They became very popular in the ‘70s, but the ‘90s and early aughts also evoke memories of ...

Now that we’re nearly 20 years into the smartphone era, most of us have heard this basic tip for getting better sleep: set your phone down well before going to bed. The theory is that the blue light ...