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BrainStuff - HowStuffWorks

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It’s almost impossible to trick your brain so you can tickle yourself. Unless you're schizophrenic…
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I can tickle myself. I think you mean hilarious, "HAHA", laugh out loud tickling, not just gentle tickling.
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Holy wow, thank you all so much for sharing your stories! These are amazing. My earliest memory is climbing out of my crib in my family's first home, and toddling into the dining room, where my mother was sitting at the table writing or looking at papers. I would've been about 2 years old. Though honestly, at this point, it's more like a memory of that memory. I feel like it 'looks' different than it used to, but I couldn't explain exactly how. /Lauren
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Don’t know what the dwarf planet Ceres is, and at this point you’re too afraid to ask? Brainstuff will give you the deets on this otherworldly object.
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It’s true – some people hear colors, or taste words. But what produces synesthesia?
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According to an informal survey, the winner is Eleanor Roosevelt!

http://mashable.com/2015/07/06/10-dollar-bill-roosevelt-hamilton/
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Scientists have found evidence that plants have senses, memories, and can even communicate with each other. But does this mean they're conscious?
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+BrainStuff - HowStuffWorks For plants, I'm not sure. Some pretty intelligent people have came up with fairly "out there" ideas on consciousness, such as all things are conscious, more complex things are more conscious, and suggested even your light switch could be conscious. But in reality we are still trying to figure out what consciousness really is. I don't think there is strong enough evidence that plants can feel pain, let along emotions. Being able to respond to a threat such as the use reflexes like releasing a repellent is different than being able to feel pain. Having intelligence could be different from having consciousness, depending on future discoveries relating to consciousness.

Plants, or at least the overwhelming majority of them do not have a central nervous system which is what animals require to sense pain and emotions. Plants actually have their own evolved system that allows them to detect and attempt to repair structural compromises. Some plants already do react to tactile stimuli. Whatever it is that they may 'feel', it is compelling enough for them to initiate a programmed system of responses. Plants do not need to be conscious (at the level of animal brains) in order to do this. Microbes also have the ability to detect structural compromises. Our own eucaryotic cells which compose our body also have the ability to detect and repair. You have to understand that these are genetically programmed responses that are there simply because they help avoid the destruction of the organism.

But if it turns out they can feel any pain (Which is extremely unlikely), one can hope that in the far future, we could develop some nanobot that can go around "reprogramming" plants and most animals to not feel pain. And for animals that actually require this to survive? Reprogram an alternative defensive method that does not cause pain.
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What is that twitch/spasm when we go to sleep? We collaborated with +Alltime Numbers to get your answer!
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+BrainStuff - HowStuffWorks Any connection with these and morning seizures?
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It’s surprisingly easy to listen to private conversations if you know how.
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Erasers lift our mistakes right off the page, but it's not magic - it's the microscopic physics of stickiness.
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We see color thanks to complex coordination of signals from the eyes to the brain. Here's what happens when the signal gets scrambled.
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You probably remember your 18th birthday, but not your first – or your zeroth. Why is that?
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+BrainStuff - HowStuffWorks You probably don't remember your 21st birthday either.
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Explaining the everyday science in the world around us!
Introduction
Whether the topic is popcorn or particle physics, you can count on the HowStuffWorks team to explore - and explain - the everyday science in the world around us on BrainStuff.

How does decaffeination work? How does popcorn pop, why do cars use gas and how can you survive a plane crash? Learn the answers to these questions, and more, as the podcasters of HowStuffWorks.com present the BrainStuff behind everything from space exploration to the QWERTY keyboard.

TestTube is a network for the young-at-mind where it's cool to be smart and curiosity is the fuel. We are a digital network, native to the internet where optimism travels, like a virus, at the speed of light. Our hosts are experts, not actors, and our shows are authentic, challenging and irreverent. We're inspiration junkies in an expanding universe of information where we question anything and test everything.