Video #5

In 1960s CIA interrogator hooked his polygraph machine up to a plant - he observed a change in his readings when the plant was harmed or threatened. This lead to an idea of plants having sentience or even having extra sensory perception. Plants have to adapt to the world around them and that's why the developed a way of sensing their surroundings. For example, the first thing they figure out is proprioception meaning which was is up and which is down. It is because they have gravity-sensing cells in the tips of their roots. They can also keep track of the season by the amount of light they are getting or detect the chemical signals in the air.
I released my dog from the leash so she could run. I accidentally eavesdropped on a conversation I wasn't meant to hear. I measured two cups of flour for my cake.

Do Plants Think?