Just using tools at all is very significant ! at the time, there were no scientific reports on tool use in any kind of pigs. That doesn't happen so often either. Meredith Root-Bernstein More Quotes by Meredith Root-Bernstein More Quotes From Meredith Root-Bernstein We might think that only humans manipulate the environment to affect their own lives, but in different ways many other species do this too. Meredith Root-Bernstein top-news
