LATEST ADDITIONS

Now you can be incomprehensible in several languages.

Neutrons aren't as simple as we thought.

"If Alex were a dog, he would be 189 years old. But he's a parrot and he's 27. In parrot years that's 27. Unless Alex chokes on a nut or falls out of his cage, he should live another 50 years. In a perfect world, healthy parrots can live 80 to 90 years."

Oliver Sacks on music and amnesia—and about just how puzzling cognition and memory truly are.

There's more to Diana Krall than just the sexy sizzle.

Some say the first step in getting good sound is picking the right room for the system. Others find ways for a system to work in almost any environment. Which has a greater effect in the sound: the speakers or the room? Why?

How much amplifier power do you need? Most audiophiles figure a maximum of a few hundred watts per channel—beyond that, you're wasting your money or showing off. Others think that anything more than a few watts will mess up an amplifier's musical coherence or "purity," so they stop there and find uncommonly sensitive speakers, usually compression horns with cone woofers.