Sharp stone technology chipped over three million years allowed early humans to exploit animal and plant food resources. But how did the production of stone tools -- called 'knapping' -- start?
20h
Newspoint on MSNKidney Stone Diet: If you are troubled by kidney stone problem then know what to eat and what not to eat..Kidney is a very important part of our body. It filters out excess water, minerals, and waste material from the blood and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results