Alva Noë

Philosophers have long worried whether it is ever really possible to know how things are, internally, with another.

After all, we are confined to the external — to mere behavior, or perhaps to behavior plus measurements of brain activity. But the thoughts, feelings, images, sensations of another person, these are always hidden from our direct inspection.

The situation of doctors facing unresponsive victims of brain injury is a terrifying real-world example of the fact that we our locked out of the minds of another.

Commercial brain training programs are taking another hit.

Why Are The Trees Green?

May 27, 2016

Consider the logical beauty of the blood test.

Its underlying theory is simple: The cocktail of molecules that is your blood is actually the mirror of active processes throughout the body in which chemicals — fats, proteins, sugars, enzymes, hormones, etc. — push and pull against each other.

Disease is what happens when, perhaps as a result of the admission of a germ from the outside or as a result of some unfortunate growth process, the amount of one molecule or another or the ratio of different substances to each other gets out of whack.

The answer as to whether a DNA test can tell you your ethnic identity? Yes — and no.

Diesels are more expensive than gasoline powered cars. But they drive better; they've got better torque. And they're way more fuel efficient.

The downside is that they're dirty. They spew deadly particulate matter and nitrogen oxides (NOx) that make it hard to breathe.