Video on what exactly a gene is

There's a video on the evidence for evolution going around, but turns out the artist that made that video has made a number of them, including this one on the scientific understanding of a gene. http://www.youtube.com/watch?v=5MQdXjRPHmQ via Videos / What Exactly is a Gene? - Stated Clearly. What's interesting about this, is that the definition of … Continue reading Video on what exactly a gene is

The attention schema theory of consciousness deserves your…attention

Michael Graziano published a brief article in the New York Times on his attention schema theory of consciousness, which a number of my fellow bloggers have linked to and discussed.  I'm not sure this article was the clearest description of it that he's given, and I suspect the title biased readers to think his theory is another consciousness-is-an-illusion … Continue reading The attention schema theory of consciousness deserves your…attention

The conquest of the Americas

This morning, I came across an essay by Howard Zinn, the famous historian and activist (now deceased), on the real historical Christopher Columbus.  I suspect Zinn's portrayal of events was a bit one sided (I doubt the Native Americans were quite the lambs that he portrayed), but he probably overcompensated to some extent for the version we … Continue reading The conquest of the Americas

Comet Siding Spring: A Close Encounter with Mars

In case you haven't heard yet, there's a comet headed for Mars.  It will pass pretty close, close enough for the various orbiters we have in there to get pictures, and for them to be in a little bit of peril.  But apparently there is a plan. http://www.youtube.com/watch?v=Oq8lEKAY_fI Comet C/2013 A1 Siding Spring will make … Continue reading Comet Siding Spring: A Close Encounter with Mars

The evolution of the scientific method.

Empiricism, the idea that sensory experience is a source of knowledge, is ancient.  People have obviously learned through sensory experience as long as there have been people.  Studying the night skies gave ancient humans insight into the flow of the seasons, crucial knowledge as the agricultural revolution kicked into gear.  And farming techniques, medicinal practices, food … Continue reading The evolution of the scientific method.

The simulation hypothesis. Is life an illusion?

Seth Shostak takes a look at the simulation hypothesis, the idea that we are in a computer simulated reality: Is Life an Illusion? | Seth Shostak. ...a future historian (or curious teenager) wielding programming skills and access to a honking big computer could construct SimEarth on steroids. They could, for example, run a simulation of 15th century European society to … Continue reading The simulation hypothesis. Is life an illusion?

Saying that mind uploading will never be possible is unwarranted

This question came up on Quora: 3 What percent chance is there that whole brain emulation or mind uploading to a neural prosthetic will be feasible by 2048? - Quora. After seeing a number of skeptical responses, many claiming that mind uploading was inherently impossible or even incoherent, I posted the following reply: I think mind … Continue reading Saying that mind uploading will never be possible is unwarranted