Articles from Science World (September 13, 2002)

Title	Author	Type	Words
Bachelor pad: Vogelkop bower bird (Amblyornis inornatus). (Animal Architects).			379
Bad air day: more than 142 million Americans, or 50 percent of the U.S. population, breathe grade "F" air. The American Lung Association's state of the Air 2002 Report studied air quality in 678 counties, and 400 flunked. What's choking the air? An invisible gas--ground-level ozone. Read the graph below, then check out ozone chemistry, and test your pollution know-how. (Earth science: ozone/air pollution).			758
Calcium crisis. (Graph It!).	Chiang, Mona		305
Croak: what's killing these frogs? (Life/Earth science: water pollution/ecosystems).	Chiang, Mona		1848
Egg-speriment. (Hands-On Science).			330
Explain this! (You Can Do It).			74
Featherweight. (Tech News).			216
Forming an ant nest. (Science News).			256
Gladiator. (Short Take).			104
Gross out? (Activities & Oddities).	Chiang, Mona		165
Human architects are taking inspiration from the planet's master builders--animals; termite towers: African termite (Macrotermes michaelseni). (Animal Architechs).	Costello, Emily		404
It may not be the Oscar ... but then again, in our world it is!			486
Killer ants make peace. (Life News).	Masibay, Kim Y.		356
Quiz. (Science In The News).			501
Rate your air. (Chart-Reading Skills).			493
Secrets of the womb: life's most mind-blowing journey: from single cell to baby in just 266 days. (Life science: human reproduction/cells).	Masibay, Kim Y.		1767
Six feet under. (Freeze Frame).	Dyer, Nicole		156
Tease your brain. (You Can Do It).			12
Walk `n' roll. (Physical News).			152
What is it? (You Can Do It).			14
Wonder webs: Golden Orb Weaver spider (Nephila clavipes). (Animal Architects).			583