A 15th-century manuscript shows trees bearing (clockwise from top left): sweet apples, jujubes, lemons, cherries, dates, and sour apples. By 7,000 years ago, people in New Guinea were cultivating ...

A terracotta figurine in the form of a pig was made in Egypt around 3000 b.c., during the Early Dynastic period. Pork accounts for more than a third of the world’s meat, making pigs among the planet’s ...

Each cell in a plant, animal, or person contains millions, or even billions, of DNA base pairs—molecules connected by hydrogen bonds that are the building blocks of DNA. These base pairs collectively ...

A sculpture known as the Hell Mouth is one of several dozen fantastical creations dating to the sixteenth century that line the paths of a park called the Sacro Bosco, or Sacred Wood, near the central ...