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 ...

I think we can all agree that 2015 will go down in history as the year when winter just refused to die. Every time we think that we've finally reached the finish line, it turns out Jack Frost has one ...

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 ...