In the 1920s, Weston Price, a Canadian dentist, theorized that root canals – procedures in which infected or inflamed pulp is removed from the inside of a tooth – allow bacteria to "leak ...

But a plant is more than meets the eye. Beneath the soil, its root system can extend inches or even feet, spidering into the earth and fueling soil health. An archival collection of over 1,000 ...

While its individual trees (referred to as stems) generally only live for around 100 years, Pando’s overall root system has been estimated to be around 10,000 years old.