Scientists discover the world can support dramatically more humans that was thought after zillions of spermatozoans were found in each male human.<p>A 10 cm trunk diameter pine is not a tree, is a... (let&#x27;s invent a new word for this) a &#x27;treeddler&#x27;, a baby. This is a classical case of apparent amount of population after dissapearing of the older trees. You can pack instead a lot of little trees in less space, but is not even remotely the same and only one or two will survive.