Double-headed

Article summary

Double-headed may refer to: * Double-headed arrow, a symbol such as or * Double-headed bug or lovebug, Plecia nearctica * Double-headed eagle, a common symbol in heraldry and vexillology * Double-headed flower, an abnormal growth of a flower head * Double-headed guitar, a guitar with two necks * Double-headed hawk moth, Coequosa triangularis * Double-headed parrotfish or green humphead parrotfish, Bolbometopon muricatum * Double-headed (playing) card, a playing card whose face is rotation-symmetric * Double-headed rail, a type of railway rail whose head and foot have the same profile * Double-heading, the use of two independently operated locomotives at the front of a train * Dual-head, the use of two display devices with a computer * Polycephaly, the state of having two or more heads

Key claims

No claims recorded.

Discussion questions

1. Summarise the article in your own words. Which single claim would you verify first, and why?
2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

Bibliography

No sources recorded.