Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, ...
Why do you have five fingers? Why not ten, or twenty, or one? Why do so many animals have five fingers? Five seems to be the perfect number for most hands. Oddly, the first vertebrates to come onto ...
Duplicated genes that appear in every branch of the tree of life can provide us with insight into the evolution that occurred ...
The world’s largest butterfly tree of life is helping researchers determine where the winged insects originated when they first appeared on Earth about 100 million years ago. During the age of the ...
Scientists have discovered where butterflies originated and which plants the first butterflies relied on for food. To reach these conclusions, researchers created the world's largest butterfly tree of ...