Mr. Smarty Pants Knows

With 5,005 rooms, The MGM Grand is the world's largest hotel.

Pine Street Foundation claims it has trained dogs to smell lung cancer on your breath with 99% accuracy and to smell breast cancer with 88% accuracy.

Walter Koenig ("Ensign Pavel Chekov" on Star Trek) was originally supposed to be "Ensign Jones," a British character to appeal to "the bubble-gum audience" who liked Britpop stars. The character became Chekov when Gene Roddenberry heard Pravda criticized Star Trek for showing a multicultural future that apparently included no Russians.

Smoking during pregnancy boosts the odds that your baby will have the wrong number of fingers.

Gray squirrels were introduced to Britain from North America in the 19th century and now outnumber red squirrels there 66-1. Reds are weaker than grey squirrels, which also carry the squirrel pox virus.