Emily Underwood

All Stories by Emily Underwood

  1. Hyracotherium illustration

    How horses lost their toes

    Fossils reveal that as horses evolved to have fewer toes, they also got stronger and faster.

  2. solar system

    ‘A Most Improbable Journey’ offers scientific take on human history

    Walter Alvarez’s “A Most Improbable Journey” gives readers a tour of “Big History,” linking human history to unpredictable cosmic, geologic and biological events.

  3. bumblebee

    Primitive signs of emotions spotted in sugar-buzzed bumblebees

    When bumblebees eat a sugary snack, they make more optimistic decisions, a new study finds. This could be early evidence for emotion in insects.