Articles from Science News (April 14, 2007)

Title	Author	Type	Words
Agents of metastasis: four proteins conspire in breast cancer spread.	Seppa, N.		522
Ancient extract: T. rex fossil yields recognizable protein.	Perkins, S.		511
Animal Architects: Building and the Evolution of Intelligence.			133
Augmenting the good cholesterol.			250
Bug versus bug: insect virus makes a viable flu vaccine.	Vastag, B.		489
Cavernous findings from Mars.			189
Color-tunable sunglasses.			188
Correction.		Correction notice	34
Disinherited ancestor: Lucy's kind may occupy evolutionary side branch.	Bower, B.		538
Enzymes release caged chemicals.			256
Even outdoors, generators pose risks.			213
Faster, cheaper, better: easier genetic sequencing could make personalized medicine a reality.	Brownlee, Christen		1835
Female stem cells flourish: sex difference could affect therapies.	Barry, P.		432
Flower Confidential: The Good, the Bad, and the Beautiful in the Business of Flowers.			197
Flowering Plant Families of the World.			113
Gene dispensers.			280
Heated comments.	Hackney, Greg	Letter to the editor	337
New agent to spy clogged arteries.			199
Primate's progress: macaque genome is usefully different.	Milius, S.		531
Quantum capture: photosynthesis tries many paths at once.	Castelvecchi, D.		473
Rats take fast route to remembering.			260
Taken for a spin: scientists look to spiders for the goods on silk.	Cunningham, Aimee		2081
The Lie Detectors: History of an American Obsession.			217
The Strage Case of the Broad Street Pump: John Snow and the Mystery of Cholera.			153