The stench of death is everywhere as whole branches of the tree of life are pruned almost to oblivion — and all because of the waste gas pumped into the atmosphere by one incredibly successful species. (newscientist.com)
Instead of trimming twigs from the tree of life, we would lose whole branches (see «Oddities in danger «-RRB-. (newscientist.com)
A century later, Jules - Henri Poincaré developed two whole branches of mathematics — topology and dynamical systems — to get a handle on the n - body problem. (discovermagazine.com)