In heavily affected areas, up to 30% of beech trees are killed within seven years of contracting beech leaf disease.

The boomerang, found in a cave in southern Poland, may be the oldest in the world, dating back 40,000 years, according to researchers.

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.

Discover the concept of planting 1 trillion trees and its potential impact on the planet. The video covers various initiatives such as MrBeast's TeamTrees and Project Eden, and explores the Trillion ...