Then, they studied the flower under a scanning electron microscope and noticed that the amber had preserved the petals, stamens, and small specks of pollen. Sign up for Chip Chick's newsletter and ...

Not only are these particles effective; they appear visually striking under a microscope as well, resembling tiny paper flowers or desert roses. They are made of extremely thin petals that arrange ...

This story appears in the September 2019 issue of National Geographic magazine. In hopes of seeing why a peppercorn tastes peppery, Antonie van Leeuwenhoek (1632-1723) soaked one in water and put ...