AZ Animals on MSN

Aphids Give Birth to Clones Already Pregnant with the Next Generation

Unless you carefully inspect the leaves of a plant in your garden, you might not ever see the tiny little bugs known as ...
Scientific American

Polycystic ovary syndrome might affect men, too—and that could radically change our understanding of the condition

Polycystic ovary syndrome (PCOS) has confounded doctors from the moment they gave the condition its name. In people with ...
National Audubon Society

Do Birds in the Tropics Have a Breeding Season—or Do They Just Mate All of the Time?

You might think that the neotropics are one big mating party, but even in places that stay green and vibrant year-round, ...