Illegal insect trade: 5,300 ants and a growing global problem / Oldest ant fossil ever found shows how ants took over the world / Ants prove superior to humans in group problem-solving maze experiment / 'Walk this way': Model explains how ants create trails to multiple food sources / What Ants and Orcas Can Teach Us About Death / Ants change the way they build nests to stop diseases spreading / Scientists discover ants are capable of performing amputations - and saving lives / Ants amputate legs in order to ensure survival - study / Researchers discover that ants from millions of years ago used the same sensory organs as modern ants