Scientists have known for some time that trees not only have a sex, but can sometimes switch between sexes. But they haven’t always known why. Now, as The Washington Post’s Amy Ellis Nutt reports, a ...

Although pollen has covered cars for weeks and allergy sufferers have been sneezing, we think of sex as being the realm of animals. But plant sex can be quite interesting, especially in species that ...

I was up in the mountains this past weekend and got to visit with one of my favorite trees — the striped maple (Acer pensylvanicum). I did some googling and it turns out striped maples are a lot of ...