Hershey's Extra Dark contains 420 milligrams of flavanols in a 1.4-ounce serving and Hershey's cocoa contains 210 milligrams of flavanols per tablespoon, says Debra Miller, director of nutrition at Hershey Co.

WSJ: Heart-Healthy Chocolate: Dark and Bitter Treat

Torchieres or floor lamps with an upward glow or more traditional shade brighten corners and reading nooks and add extra light to a dark room.

FORBES: 10 Easy Ways To Decorate Your Home With Lighting

Russian speakers, who make an extra distinction between light and dark blues in their language, are better able to visually discriminate shades of blue.

WSJ: Does Language Influence Culture?

And yes, I will be Dark Souls blogging a bit extra given the big PC release.

FORBES: Connect

Hussein took extra time to put on the familiar dark suit he always wore to court, Stone recalled.

CNN: Tour of prison reveals the last days of Saddam Hussein

Beyond Higgs the ATLAS experiment will now be looking for evidence of dark matter in the universe and extra dimensions of space.

BBC: Higgs boson discovered. What next for CERN laboratory?

Four Aurora theaters showing "The Dark Knight Rises" will have extra security for the foreseeable future "out of an abundance of caution, " Oates said.

CNN: July 21, 2012 -- Updated 0159 GMT (0959 HKT)

If you'd like an extra shot of flavor, flame the fruit with port, kirsch, dark rum or amaretto.

NPR: Holiday Sweets: On the Road (and in the Mail)

She added that the "age or infirmity" of some passengers would have made walking the extra distance "difficult, lengthy and painful", particularly in the dark.

BBC: Arriva buses at Derby bus station