Category Archives: Human Evolution

Why Is There Magnetite in the Human Brain?

Good question. The general consensus seems to be that it enables a primitive form of magnetoreception, Kirschvink thinks magnetite is the key. Receptor cells containing crystals of magnetite could register changes in magnetic fields and report this information to the … Continue reading

Posted in Consciousness, Electromagnetism, Human Evolution | 7 Comments

Artificial Neural Nets and Learning

This article, Artificial Neural Nets Finally Yield Clues to How Brains Learn, appeared a few months in Quanta Magazine and never got around to commenting on it until now. It has this image is in it. The article is primarily … Continue reading

Posted in Consciousness, Electromagnetism, Human Evolution | 4 Comments

Did Homo erectus speak?

Did Homo erectus speak? is a new article on Aeon by Daniel Everett. The author makes the argument that the evidence of fairly sophisticated culture and technology by Home erectus suggests that this predecessor of modern humans likely had some … Continue reading

Posted in Human Evolution, Intelligence | 9 Comments