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1. astrobiology.nasa.gov › education › alp3.5. How can we tell if something is alive or not?

   astrobiology.nasa.gov › education › alp

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   1 day ago · As we look around a classroom, our homes, in a forest, or anywhere we go, we can tell things that are alive from things that are not alive. You are alive, so is a bug, a fish, and your teacher. But things like a desk, a rock, a pencil, or a building are not alive.

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2. astrobiology.nasa.gov › education › alp3.1. What are the characteristics of life? | Astrobiology ...

   astrobiology.nasa.gov › education › alp

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   1 day ago · In the unfamiliar environments of other planets, we need to find a way to distinguish between a phenomenon that isn’t alive as compared to one that is. One way to address this is by considering the characteristics of living things, which reveals how much all living things have in common.

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     Alive or Not? Characteristics of Living Things

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     What's the difference between living and non-living things?

     Sep 28, 2012

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     4:18

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     Living, Non Living or Dead?

     Sep 24, 2018

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4. neurosciencenews.com › reality-illusion-brain-23075Reality or Illusion? The Human Battle with Distinguishing ...

   neurosciencenews.com › reality-illusion-brain-23075

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   Apr 21, 2023 · Subjective signal strength distinguishes reality from imagination. Humans are voracious imaginers, with internal simulations supporting memory, planning and decision-making. Because the neural mechanisms supporting imagery overlap with those supporting perception, a foundational question is how reality and imagination are kept apart.

5. www.sciencealert.com › something-in-your-brain-canSomething in Your Brain Can Tell When a Face Isn't Real

   www.sciencealert.com › something-in-your-brain-can

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   These results suggest there is a distinction between how we behave and what our brains "know". On the one hand, participants couldn't consciously tell synthetic faces from real ones, but on the other, their brains could recognise the difference, as revealed by their EEG activity.

6. letstalkscience.ca › lessons › its-alive-or-itIt's Alive... Or Is It? - Let's Talk Science

   letstalkscience.ca › lessons › its-alive-or-it

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   Sep 13, 2019 · A living thing is something that is or has been alive. A non-living thing is anything that is not nor has ever been alive. Students develop this understanding as they observe and compare and contrast examples of both, then use the information they gather to draw conclusions about the characteristics of living things.

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7. www.newscientist.com › article › mg24532670-800-whatWhat you experience may not exist. Inside the ... - New Scientist

   www.newscientist.com › article › mg24532670-800-what

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   Jan 29, 2020 · What our senses allow us to experience may not reflect what actually exists. It may be a creation of our own consciousness, or a computer simulation designed by superintelligent beings. By Donna ...

8. People also ask

   How can we distinguish between a phenomenon that isn't alive?

   • In the unfamiliar environments of other planets, we need to find a way to distinguish between a phenomenon that isn’t alive as compared to one that is. One way to address this is by considering the characteristics of living things, which reveals how much all living things have in common. All life on Earth adheres to a common biochemistry.

   3.1. What are the characteristics of life? | Astrobiology Learning

   astrobiology.nasa.gov/education/alp/characteristics-of-life/

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   What are the characteristics of things that are alive and not alive?

   • Everywhere you look there are things that are alive and things that are not alive. Things that are alive have common characteristics even though they are very different from each other. For example, living things grow and move and nonliving things often do not grow or move on their own.

   3.5. How can we tell if something is alive or not? | Astrobiology

   astrobiology.nasa.gov/education/alp/alive-or-not/

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   How can we tell if things are alive or not?

   • As we look around a classroom, our homes, in a forest, or anywhere we go, we can tell things that are alive from things that are not alive. You are alive, so is a bug, a fish, and your teacher. But things like a desk, a rock, a pencil, or a building are not alive. Things that are alive do certain things, like move and grow and sometimes change.

   3.5. How can we tell if something is alive or not? | Astrobiology

   astrobiology.nasa.gov/education/alp/alive-or-not/

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   What is the difference between a living and a non-living thing?

   • A living thing is something that is or has been alive. A non-living thing is anything that is not nor has ever been alive. Students develop this understanding as they observe and compare and contrast examples of both, then use the information they gather to draw conclusions about the characteristics of living things.

   It's Alive... Or Is It? - Let's Talk Science

   letstalkscience.ca/educational-resources/lessons/its-alive-or-it

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   What if something dies if it is a living thing?

   • They may believe that if something moves, it must be a living thing. By the same token, they may also believe that when something dies it becomes a non-living thing. This inquiry provides opportunities for students to more fully develop a scientific understanding of living and non-living things.

   It's Alive... Or Is It? - Let's Talk Science

   letstalkscience.ca/educational-resources/lessons/its-alive-or-it

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   Are there living things that only hit most of the characteristics?

   • Additionally, there are living things that also only hit most of the characteristics. For instance, mules are animals that come from a mix of a horse and a donkey and actually cannot reproduce. Defining life has proven to be a difficult task, even though many of us can look at most things and tell if they’re alive or not.

   3.5. How can we tell if something is alive or not? | Astrobiology

   astrobiology.nasa.gov/education/alp/alive-or-not/

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9. www.newscientist.com › article › mg25033420-400-whatWhat forms can consciousness take and can we see it in our ...

   www.newscientist.com › article › mg25033420-400-what

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   Jul 7, 2021 · New insights into the different states of human consciousness and where it occurs in the brain are helping us crack the mystery of what gives rise to felt experience.