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Exercise seems to be a "cure" for certain kinds of depression, and so along with a dose of fish oil, you may be able to throw away your pills.

And while some people "work up an appetite" when they exercise, so they eat MORE (which kills some of the reason for exercising in the first place), other people eat LESS, and these are the people scientists are studying.

Exercise may change your DESIRE to eat by altering the way parts of your brain respond to the sight of food. Researchers tracked the activity in the parts of the brain known as the "food-reward system,"–the regions that control whether we like and want food. The more cells that fire off in those parts of the brain, the more we want to eat.
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Instead of burying it or hoping our oceans will absorb it, why don’t we just grab all that carbon dioxide out of the air?

A group of researchers think that a CO2 removal unit the size of an ocean shipping container could extract a thousand tons of the gas per year with operating costs of approximately $100 per ton. Will we soon see one of these at every street corner, the way trash cans are now?
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The new Mars rover was named Curiosity because it hopes to answer one of the greatest questions of modern man: Are we really Martians?

A few billion years ago, Mars may have been a planet covered with oceans. We’re not sure what happened (NOTE: Subscribers can still listen to this show), but we do know that the liquid has mostly burned away. Curiosity will probe the soil that they left behind in order to look for tiny fossils.
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