Kellyn Betts' Articles
- Good preparation for working in this field may require more than a firm grounding in science or engineering.
Naomi Chetan Shah didn’t think much about the air inside her Portland, Ore., home until she was 11. Then the sixth grader began to wonder why her father and brother always had watery eyes and runny noses. They suffered all year. That seemed to rule out seasonal allergies often caused by the pollen from blooming flowers, trees, grasses and weeds.