Plot: Daffy Duck, Porky Pig, and Petunia Pig are Earth ... having been adopted as infants by Farmer Jim, a kind and patient parental figure able to tolerate the duo’s antics throughout the ...

Inhaling helium and talking like Daffy Duck is a classic party trick. But not many know how helium works. Helium is much lighter than air, so sound waves move much faster through the gas.