There is no better way to convey danger than the biological hazard symbol.Its ascent to the top of the warning-symbol heap has been relatively swift. Though the skull and crossbones has been ...

Since it was first designed in 1966, the biohazard symbol has become one of the most recognizable warning signs on the planet. As a work of graphic design, that’s incredibly impressive.

Also, the various shapes of symbols and graphics used for hazard communications are being unified into a single shape and graphic that will be used for both transport and for workplace notification.

Home / Lifestyles / Symbols hold multiple meanings Symbols hold multiple meanings. By Helen T. Gray - Knight Ridder Newspapers - | Apr 17, 2004.