Which of these do you want? Which do you want? Choose which appeals to you. The book, which I read last night, was exciting.
Advertisement How aware are plants? A plant, he argues, can see, smell and feel. It can mount a defense when under siege, and warn its neighbors of trouble on the way.
A plant can even be said to have a memory. Chamovitz answered questions from Mind Matters editor Gareth Cook. How did you first get interested in this topic? My interest in the parallels between plant and human senses got their start when I was a young postdoctoral fellow in the laboratory of Xing-Wang Deng at Yale University in the mid s.
So I was drawn to the question of how plants sense light to regulate their development. It had been known for decades that plants use light not only for photosynthesis, but also as a signal that changes the way plants grow. When we reported our findings, it appeared these genes were unique to the plant kingdom, which fit well with my desire to avoid any thing touching on human biology.
But much to my surprise and against all of my plans, I later discovered that this same group of genes is also part of the human DNA. Many years later, we now know that these same genes are important in animals for the timing of cell division, the axonal growth of neurons, and the proper functioning of the immune system.
But most amazingly, these genes also regulate responses to light in animals!
Our internal circadian clocks keep us on a 24 hour rhythm, which is why when we travel half way around the world we experience jet lag. But this clock can be reset by light.
A few years ago I showed, in collaboration with Justin Blau at NYU, that mutant fruit flies that were missing some of these genes lost the ability to respond to light. In other words, if we changed their clocks, they remained in jetlag.
This led me to realize that the genetic difference between plants and animals is not as significant as I had once naively believed. So while not actively researching this field, I began to question the parallels between plant and human biology even as my own research evolved from studying plant responses to light to leukemia in fruit flies.
How do think people should change how they think about plants? People have to realize that plants are complex organisms that live rich, sensual lives. You know many of us relate to plants as inanimate objects, not much different from stones. Even the fact that many people substitute silk flowers for real ones, or artificial Christmas trees for a live one, is exemplary at some level of how we relate to plants.
If you think about it, rootedness is a huge evolutionary constraint.
So plants had to develop incredibly sensitive and complex sensory mechanisms that would let them survive in ever changing environments. But plants are immobile. They need to see where their food is. They need to feel the weather, and they need to smell danger.
And then they need to be able to integrate all of this very dynamic and changing information. You say that plants have a sense of smell? The clearest example in plants is what happens during fruit ripening. You may have heard that if you put a ripe and an unripe fruit together in the same bag, the unripe one will ripen faster.
This happens because the ripe one releases a ripening pheromone into the air, and the green fruit smells it and then starts ripening itself. This happens not only in our kitchens, but also, or even primarily, in nature.
When one fruit starts to ripen, it releases this hormone which is called ethylene, which is sensed by neighboring fruits, until entire trees and groves ripen more or less in synchrony.Aug 23, · The most important thing, to ask a question intelligently is to have as much information to start off with, know a bit of what you're talking about, and to not be asking a dumb question.
Generally there is no such thing as a dumb question, but if you could have answered it yourself with a quick Google search, then that is pretty dumb%(8). Rather than insisting that animals do not think at all, many scientists now believe that they sometimes experience at least simple thoughts, although these thoughts are probably different from any of ours.
Animals, they are one of the most beautiful gifts we have and, you know, if there are people that have compassion, there are very few people that put their money into animal rescue organizations. And if there is someone that has that passion, animals need all the help they can get.
Do animals think? Can they count?
Do they have emotions? Do they feel anger, frustration, hurt, or sorrow? Are they bound by any moral code?
At last, here is a book that provides authoritative answers to these long-standing questions. We recently passed the 5 year anniversary since the Caine’s Arcade short film was posted, and a lot of great things continue to happen. Nirvan was invited to give the closing keynote for opening day at the amazing PTTOW!
summit. Nirvan was joined by Caine (who is now 14!) as a surprise. In more technical terms, this response is a triggered response to our primitive survival instincts where the brain activates the sympathetic nervous system that changes how our body works, feels and deals with things.
The adrenal gland produces a secretion of catecholamine, norepinephrine and epinephrine.