The production and emission of light by a living organism.

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Can a firefly control its glow?

I've just seen this animation: I always thought the firefly glow is ongoing slow chemical reaction, like in glowsticks though through different chemicals. As such it seems impossible to control ...
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1answer
58 views

Is this a firefly?

It glows without interruption. This photo was taken near Barcelona, Spain. Thanks in advance.
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18 views

Why are there not bioluminescent plants? [duplicate]

There are bioluminescent animals and fungi, so why hasn't this ever evolved in plants? I imagine it would be good at attracting night pollinators.
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192 views

What is this blue-green bioluminescent jellyfish I saw at Aquarium of the Pacific?

I took this picture of an animal in the bioluminescent section of Aquarium of the Pacific in Long Beach, California, but I neglected to write down what it was. I've searched the Aquarium's web site, ...
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42 views

Why does my grass luminesce when I step on it?

I live in Austin Texas. My grass is in pretty bad shape but I have noticed small luminous spots on some areas after I step on them. I'm guessing this will be seasonal so, for the record, this is ...
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2answers
36 views

Does bioluminescence communcation occur on macroscopic level?

Some bacteria are known to communicate using bioluminescence (quorum sensing). Do we observe the same phenomena in any macroscopic species?
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1answer
87 views

Why bacteria produce light?

After seeing this video I am curious to know why the free living bacteria produce light. What advantage will they have ? Or is it just an "unintentional" result of one of their pathways ?
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1answer
120 views

Bioluminescence and photovoltaics

I work in the PV industry and was asked a question recently during a presentation. Could Bioluminescence provide enough light to power a PV array during off peak hours? I understand the PV portion and ...
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1answer
548 views

Can Bioluminescence drive photosynthesis?

I'm trying to construct an anaerobic kitchen-waste digester at home. The major output from the digester is methane - with a significant component of carbon dioxide. To scrub/reduce the CO2 I was ...
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2answers
163 views

What type of CCD system is required to take photos of luciferase

I'm working with luciferase and I want to be able to take a photo of it. The trouble is, I can see the luciferase glowing in all of its glory in front of me but no matter how hard I try, I can't take ...
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859 views

Does bioluminescence occur in humans too?

I read that Japanese researchers have developed very sensitive camera that recorded bioluminescence in humans; is it possible and if so what is the mechanism behind it?
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388 views

What are the major evolutionary pressures for Bioluminescence?

What are the major evolutionary pressures for Bioluminescence?