Good for thyroid function.
Good food sources include mushrooms, shellfish and wholegrains.
No set RDA but the FSA advises intake from food to be sufficient.
Taking supplements can cause nausea, cramp and diarrhoea. Vanadium supplements are banned in the EU but still sold on the internet.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
Confused Apple customers are finding coins in their MacBooks.
High levels of iron help prevent hearing loss, a study has claimed.
A software engineer has constructed a fingernail-sized engine made of paper and it totally works!
Conspiracy theorists claim that there is a mysterious alien based pyramid in the Antarctic.
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