They found a trade-off: insects visited the more mobile flowers mounted on thin stalks more often, but they visited flowers on thick stalks for longer. Medium-length stems received the most visits at ...

It's amusing to watch sleepy people trying not to nod off in their chairs. Their oh-so-heavy eyelids droop while their heads rock forward, only to bob upright again. But plants with nodding clusters ...

When it comes to collecting pollen, Australian bees take a more 'heavy metal' approach than their American cousins. Researchers have discovered that the Aussie species use 'headbanging' to forcibly ...