Does a virus have color? Actually, no. Because viruses are smaller than the wavelength of light (400-700 nanometer), they hide within its waves and can only be seen with an electron microscope. Viruses range in size from 20-300 nm. Yet, most images of viruses are pseudocolored, either to visualize detail or for aesthetic appeal.

• Glass artist Luke Jerram, who is color blind himself, works closely with virologists to create transparent jewel-like replicas of microbes 1,000,000 times their actual size. Virus shapes can be helical, icosahedral (12-sided), prolate (capped cylinder), enveloped or rounded.

Check out his gallery online: http://www.lukejerram.com/glass/gallery

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