When you’re young, everyone tells you that you are a unique individual. The idea of individuality stretches back centuries, but as we learn more about our bodies, some biologists have suggested that the microorganisms within us mean we’re more like a collection of trillions of organisms than an individual person.
Source: vice.com
Can you trust the world to be consistent? Scientists don’t have much choice. They need to assume that objective observations of the universe can be trusted.
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Philosophers use the term ‘intuition’ in a slightly different sense than it is used in everyday discourse. Generally speaking, the difference is that philosophical intuitions are based solely on understanding a proposition, while non-philosophical intuitions are not. If a proposition seems true to you simply on the basis of your understanding of it, and not on the basis of empirical evidence, testimony, memory or reasoning, then you are having an intuition in a philosophical sense that it is true.
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Clues are hard to come by when you’re trying to look back to a time when the continents clumped together like a closed fist. But geologists have found evidence that plants, the most gentle of organisms, may have helped kill most of the life in the oceans 374 million years ago.
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