The braided leather lanyard Boy Scouts sometimes wear as a neckerchief
slide or hatband.
2. In Kentucky. The
Mammoth Caves have more than 350 miles of passages that have been
mapped -- and it's believed at least another 200 miles that have
yet to be mapped.
3. Humulin -- a genetically
engineered insulin that is identical in chemical structure to
human insulin. It was introduced in 1982.
4. When a bronco rider
grabs onto the saddle to keep from getting thrown during the eight-second
5. The common poorwill
-- the only documented deep-hibernating bird.