Why colliding continents build mountains instead of subducting

Continents are too light to easily sink under each other

When two continents collide, their crust is too light for either side to easily sink deep into the mantle. Instead, the edges are squeezed, folded, and pushed upward. This can build huge mountain ranges such as the Himalayas and Alps.

Plants react to damage without consciously feeling pain

Plants can detect injury and react to it. But they do not have a brain, nerves, or pain receptors like animals do. Their response to damage is therefore not evidence that they consciously feel pain.

Medieval people drank water despite the popular myth

A common story claims that people in the Middle Ages avoided water because it was always unsafe. Historical evidence shows otherwise: people regularly drank water and often judged its quality by its source, appearance, smell and taste. Beer and wine were also common, but they did not replace water as an everyday drink.

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Why colliding continents build mountains instead of subducting

Continents are too light to easily sink under each other

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