Sara Levine

Have you ever seen a germ up close? Really, really close? Award-winning science writer Sa...

What would you be if your finger bones grew so long that they reached your feet? You'd be...

An innovative look at animal eyes from the creators of Bone by Bone, Tooth by Tooth, and ...

An innovative look at animal eyes from the creators of Bone by Bone, Tooth by Tooth, and ...

Open wide! Compare your teeth to those of other animals and find out why teeth come in so...

A cantankerous talking cactus reveals the significance of colors in flowers. Each differe...