Posts filed under “Science”
A photo of U Camelopardalis, or U Cam for short, a star nearing the end of its life located in the constellation of Camelopardalis (The Giraffe), near the North Celestial Pole. As it begins to run low on fuel, it is becoming unstable. Every few thousand years, it coughs out a nearly spherical shell…Read More
Why do we sleep? We spend a third of our lives in slumber, but science has yet to determine exactly why we have do it. Here’s a look at how sleep works, why we’re not getting enough sleep, what happens if you DON’T sleep, and an idea about where sleep came from in the first place.
Hat tip brainpickings
Source: John Hopkins Applied Physics Lab
What is consciousness?
“I THINK, therefore I am.” René Descartes’ aphorism has become a cliché. But it cuts to the core of perhaps the greatest question posed to science: what is consciousness? The other phenomena described in this series of briefs—time and space, matter and energy, even life itself—look tractable. They can be measured and objectified, and thus theorised about. Consciousness, by contrast, is subjective. As Descartes’ observation suggests, a conscious being knows he is conscious. But he cannot know that any other being is. Other apparently conscious individuals might be zombies programmed to behave as if they were conscious, without actually being so.
Video after the jump