Volcanic glass, known as obsidian, can have an edge sharper than a surgical scalpel at the molecular level.

Some trees can communicate with each other using underground fungal networks.

The Year Without a Summer in 1816 followed a massive volcanic eruption.

Ball lightning is a rare phenomenon of glowing spheres of light that drift through the air — its cause is still debated.

You are more likely to be struck by lightning than win many major lottery jackpots.

Some trees can communicate with each other using underground fungal networks.

The Tokyo Skytree is one of the tallest towers globally.

The Dust Bowl of the 1930s turned 400,000 square km of US farmland into desert through drought and poor farming practices.

Cacao trees grow their pods directly from their trunk and major branches, not from small branches.