Discover how dogs can sense earthquakes hours in advance and seek shelter from storms using infrasound, gases, and electricity – fascinating facts revealed in the YouTube video "How do dogs recognize bad people? (Shocking)" for curious animal lovers around the world.

Thanks to senses that far exceed human capabilities, dogs demonstrate the ability to predict natural phenomena, saving lives. A key topic of discussion is their ability to predict earthquakes based on various signals.

In 1975, Chinese authorities partially evacuated the city of Haicheng because "thousands of dogs suddenly began exhibiting unusual behavior." Dogs use their paws and inner ears to detect infrasonic vibrations below 20 Hz that occur several hours before an earthquake and are inaudible to humans. They also sense gases escaping from fault lines and perceive changes in static electricity: "A dog's sense of smell picks up chemical changes in the air long before a seismograph records the first wave."

Equally impressive is their ability to sense storms. Several hours before thunder, even on clear days, dogs hide (often in bathrooms): "They feel the drop in atmospheric pressure, the increase in static electricity, and the change in the air's ionic composition." Static electricity builds up in their fur, causing them discomfort; the tile floor grounds this charge, providing relief. "A dog hides in the bathroom not because it is afraid of thunder, but because the tile floor grounds the charge."

Related abilities include orientation using the Earth's magnetic field (when defecating, they tend to face north-south, as shown by Czech-German research on 70 dogs) and even the ability to sense impending death through metabolic changes in odor within hospices, where dogs lie next to patients several hours beforehand. These combined abilities – infrasound, chemistry, magnetism – form an undervalued early warning system. The video encourages viewers to observe and appreciate their dogs' behavior as potential warnings of environmental changes and health conditions.

gnews.cz – GH

The first part of the article is here:

gnews.cz
Psí smysly, díl 1. – Jak psi rozpoznávají zlé lidi: Vědecké pozadí psího posuzování charakteru

The second part of the article is here:

gnews.cz
Psí smysly, díl 2. – Psi odhalují rakovinu s 97% přesností: Neuvěřitelná lékařská super schopnost psího čichu

You can watch the entire video (in Czech) here: