Dr. Know Why are there so many “Push to Cross” buttons at intersections in Portland, instead of having the signal automatically change to “Walk”?
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Dr. Know Shooting for the new NBC [TV] series Grimm seems to be everywhere I turn. Does the City of Portland receive remuneration
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Dr. Know Why don’t incandescent light bulbs last forever? —Tom P. Don’t hang on, Tom—nothing lasts forever but the Earth and sky. Still, I suspect you want me to put down the bong and answer your que   More

Dr. Know Paper or plastic? —Nick G. You’re clearly a wiseass, Nick, but I do admire your brevity. I’ll assume, charitably, that you’re not just flinging linguistic poo at the answer monkey and you re   More

Dr. Know What are the Occupy Portland people going to do when it gets really cold? I’m worried they’ll have to give up when the snows come, enabling the movement’s detractors to deride the whole thing    More

Dr. Know To recoup the increased cost of curbside composting, could I use my green barrel as a toilet? All my human waste is 100 percent organic. I can even mount a toilet seat on top of the green can for e   More

Dr. Know Metro accepts used oil for curbside recycling, but they insist that it be in a transparent container, which rules out any motor oil bottle I’ve ever seen. Why can’t we recycle used motor oil in    More

Dr. Know In honor of Portland’s chrysanthemum season, perhaps you can tell us: Why do some cut flowers/bouquets seem to die immediately? Is there a trick to make them last? —Tina S. I have the same prob   More

Dr. Know Last winter, we endured greater-than-usual rainfall because it was a La Niña year. Now I’m hearing that this year will be more of the same. Where’s El Niño when you need him? Aren’t they su   More

Dr. Know With all the vegans in town, I am a little concerned about my oral sex life. Plain and simple question, do vegan chicks swallow? —Dustin C. I gotta say, Dustin, something about your letter gives me    More