Jeffrey Kluger

Suffering is always hard to quantify - especially when the pain is caused by as cruel a disease as Alzheimer's. Most illnesses attack the body; Alzheimer's destroys the mind - and in the process, annihilates the very self.

We're learning how important it is both to preserve sibling relationships if they work and repair them if they're broken. We're also learning a lot about nonliteral siblings - stepsiblings, half-siblings - and the surprising power they can have.

A jellyfish is little more than a pulsating bell, a tassel of trailing tentacles and a single digestive opening through which it both eats and excretes - as regrettable an example of economy of design as ever was.

In both children and adults, there can be a hard-to-deny link between a robust sense of hope and either work productivity or academic achievement.

All behavioral or mood disorders - including depression, OCD, ADHD and addiction - have some neurochemical components, but sufferers can still work to overcome them.

Well, I think of the folks who are the climate deniers as the flat Earthers and the people who say the moon landings never happened.

You do not want to talk to me on the phone. How do I know? Because I don't want to talk to you on the phone. Nothing personal, I just can't stand the thing. I find it intrusive and somehow presumptuous. It sounds off insolently whenever it chooses and expects me to drop whatever I'm doing and, well, engage. With others!