Thousands More U.S. Troops to Afghanistan

• A New Weapon Against Meth Abuse (5:26 p.m.)
• Blog Buzz: Veep Frenzy, Poll Shows McCain Leads Obama, Convention News (5:19 p.m.)
• Public Opinion: A Pro-Choice (or Pro-Abortion) Running Mate for John McCain? (11:19 a.m.)
• Health Buzz: Applegate's Breast Reconstruction Surgery and Other Health News (11:02 a.m.)
• News Buzz: Madrid Plane Accident, Missile Defense Deal With Poland, and Lieberman at GOP Convention (10:30 a.m.)
• Hot Docs: Convention Bounce, Georgia Conflict, and Exploring the Mind-set of the Class of 2012 (9:00 a.m.)

How America Is Squandering Its Power

Andrew Bacevich, a veteran and scholar, blames the Bush administration and the American people.

McCain Sees a "Very Contentious" Campaign

But he says, if victorious, he would take a conciliatory approach to governing.

Thousands More U.S. Troops to Afghanistan

The U.S. commander there, in an exclusive interview, calls for a further buildup to counter the Taliban.

Are Dental Fillings Containing Mercury Safe?

The dental association sites studies that found no harm from amalgams made from the metal.

Is Your Drinking Water Giving You Diabetes?

Arsenic, a common trace contaminant in well water, has been linked to type 2 diabetes.

The Science of Aphrodisiacs

We've heard some flimsy claims about libido-boosting foods. But there's some sound science, too.

6 Tips on Planning a Second Career

Moving into a new field later in life can be fulfilling. Here's how to do it.

How to Search for a Fallback Job

Job security has gone the way of cheap credit. Tips on seeking the job you'll need if you lose this one.

New Boxes Send Web Video to TVs

Roku grabs instant Netflix flicks while ZeeVee links the entire house to the Web.

Universities Scramble to Find Student Housing

High interest in dorms has forced schools to put hundreds on wait lists and send some to hotels.

The New Hot Job: Nuclear Engineering

After decades of declining interest, universities are scrambling to keep up with the newfound demand.

Transfer Students Feel the Pinch

State cuts to higher education are particularly tough for transfer students.

Barone: The Ghosts of Political Leanings

McCain's and Obama's poll numbers might reflect the cultural folkways of the states' first settlers.

Zuckerman: An Economy on the Brink

We are in the first nationwide housing crash since the 1930s, and no one yet knows where it will end.

Borger: When a Flip Isn't Always a Flop

Barack Obama has a harder task when he flips, as voters are still scratching their heads about him.

Healy: From Fish Oil to Medicine

No nutrient is more important for decreasing cardiovascular death than omega-3.

• More Headlines From the Associated Press