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Bringing Back San Juan Capistrano's Swallows Is One Tough Mission
from the Los Angeles Times (Registration Required)
A bird's call rings endlessly inside the adobe walls at Mission San Juan Capistrano as tourists wander through the courtyard--ablaze with flowers in full bloom--and a handful of fourth-graders snap pictures and take notes for class projects.
Hardly the sweet song of the nightingale, the sound is more like the croak of a distressed frog--or, by an expert's own description, a "rusty, squeaky door."
It's a last-ditch effort to lure back the cliff swallow, which put San Juan Capistrano on the map but has snubbed the mission in recent years. The mission has tried drawing them back with food. It has tried shelter. Now, it's trying seduction.
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PODCAST & VIDEO: 3D Printing Replacement Body Parts
Regenerative medicine, a fledgling field with the aim of regrowing parts from a person’s own cells, is being amplified with 3D-printing technology, which can now use organic materials to create scaffolds that cells need to grow into their final forms. Richard Wysk, a professor of industrial and systems engineering at North Carolina State University, discusses the latest successes with this research, and the timeline for creating more complicated structures.
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