Not just bees and butterflies: Beetles and other brilliant bugs are nature's unsung pollinators / This fast and agile robotic insect could someday aid in mechanical pollination / Plant thermogenesis has played key role in attracting pollinating insects for at least 200 million years, study suggests / Flies undertake epic migrations that may be vital for pollination / At night, pollution keeps pollinating insects from smelling the flowers / Flowers 'giving up' on scarce insects and evolving to self-pollinate, say scientists