There are few forms of the botanical world as readily identifiable as fern leaves. These often large, lacy fronds lend themselves nicely to watercolor paintings and tricep tattoos alike. Thoreau said ...

When leaves shift to the dorsal side of the fern’s stem, a smiley face pattern emerges in the stem’s vascular structure, as seen in this sample of a tobacco fern. Research by Assistant Professor Jacob ...

A major event in the evolution of land plants was the invention of their vascular systems, which help them conduct water, nutrients, and food throughout their bodies. These systems consist of two ...

It was an early April morning and Nature was playing tricks on us. The weather had been cold and raw for days, but then suddenly there was a break from the trend. The temperature soared into the high ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Jacob S. Suissa, University of Tennessee (THE CONVERSATION) There are few forms of the ...