Shower Singing
Why do people sing better in the shower than in any other room? (reverberations build up to great …
Why Is It?
Mockingbirds
Why do mockingbirds do those little winglifts? (no one knows-- might be to scare insects out of …
Yellow Paper
Why does paper yellow with age? (because it contains lignin, the glue that holds wood fibers …
Recycling Electricity
Can electricity be recycled or reused by connecting ground wire back to electric company instead of …
Dogs and Fear
Can dogs really sense fear? (You betcha, they pick up on your nonverbal cues.)
Radio Signals
Why can't I get my favorite AM radio station at night? (The FCC requires AM stations to cut power at …
Northern Moss
Does moss really grow on the north side of trees? (Yes, but not exclusively)
Temperamental Cats
Why do cats sometimes bite when you're petting them? (They get annoyed, but we don't pick up on it.)
Filtering Fluoride
Is fluoride taken out by a filter- a water filter? (only minute amounts by Brita and Pur charcoal …