If anything makes us human it's our minds, thoughts and emotions. And yet a controversial new concept is emerging that claims gut bacteria are an invisible hand altering our brains. Science is ...

Humans are already thought to be largely responsible ... responsible for the slow decline of the world’s largest living organism that’s still here, a massive aspen tree network located in ...

This article explores how nitrogen becomes available to organisms and what changes in nitrogen levels as a result of human activity means to local and global ecosystems. Nitrogen is one of the ...