The nodules are known to contain up to 28% metal - 10 times the proportion found on land.
BBC: UK Seabed Resources joins deep-ocean mineral-mining rush
Doctors have discovered that the 74-year-old former England manager has small cancerous nodules in his lungs.
But the radiologists were asked to search for lung cancer nodules alone and nothing else.
By training radiologists to identify white nodules, are they more likely to miss other life-threatening anomalies?
These fats can fill macrophages to form small to large nodules under the skin called xanthomas.
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According to Johns Hopkins' Web site, thyroid nodules are lumps that commonly arise within the gland.
Thyroid nodules may also be cysts, fluid-filled cavities, or swellings caused by thyroid inflammation.
These nodules are usually clumps of thyroid cells that are growing abnormally within the gland.
She says surgery for vocal-cord nodules left scar tissue that prevents her from singing.
The lung tissue reacts to the dust by developing nodules and scarring around the trapped silica particles.
Moreover, the role of deep-water circulation on the growth and distribution of ferromanganese nodules is still under debate.
If the nodules grow too large, breathing becomes difficult and death may result.
"The good news is that they are measuring the nodules in my lungs in millimetres rather than centimetres, " Robson told the Mail on Sunday.
Mr Ball said exploration over the next three years would establish whether a system to vacuum up the nodules could be designed to cause minimal impact.
BBC: UK Seabed Resources joins deep-ocean mineral-mining rush
Page turning was slow and was accompanied by a distracting flash of black as the microspheres dived down into their oil-filled nodules before forming new text.
Typically, nodules are tested via a biopsy or an ultrasound scan, but surgery is often utilized because the other tests are not 100 percent accurate, Salvatore said.
The nodules typically lie in a shallow layer of silt.
BBC: UK Seabed Resources joins deep-ocean mineral-mining rush
The company says surveys have revealed huge numbers of so-called nodules - small lumps of rock rich in valuable metals - lying on the ocean floor south of Hawaii and west of Mexico.
BBC: UK Seabed Resources joins deep-ocean mineral-mining rush
An expedition to assess the potential environmental impact of extracting the nodules will be launched this summer amid concerns that massive "vacuuming" operations to harvest the nodules might cause lasting damage to ecosystems.
BBC: UK Seabed Resources joins deep-ocean mineral-mining rush
Only weeks earlier, a Lockheed unit in the United Kingdom was granted an exploration license by the International Seabed Authority to mine polymetallic nodules on the ocean floor between Hawaii and Mexico.
But many marine scientists and conservationists have warned that the implications of this deep-sea gold rush are not yet understood - and that mining nodules or hydrothermal vents could prove catastrophic for seabed ecology.
BBC: UK Seabed Resources joins deep-ocean mineral-mining rush
However, he said the symptoms that are associated with thyroid nodules include tenderness in the thyroid area, ear or jaw pain, difficulty or discomfort swallowing, a tickling feeling in the throat and shortness of breath with exertion because the nodule may be compressing the windpipe.
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