Early humans relied on simple stone tools for 300,000 years in a changing east African landscape

Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago.

13 Best Masturbation Techniques For Women, According To Sex Experts

Use one or two fingers to penetrate your vagina and stimulate your G-spot, which is about two inches inside the vaginal canal ...

10+ useful Google Docs tricks that streamlined my workflow (no plug-ins required)

If Google Docs feels slow or pages aren't loading, I recommend clearing out your browser cache. A quick shortcut to open the deletion menu is Ctrl + Shift + Delete on Windows and Cmd + Shift + Delete ...