Bluetooth technology is used by millions of people every day, but many are unaware of the fascinating history behind the name and logo, which date back over 1,000 years to Denmark and Viking royalty ...

However, the origins of its name and logo remain a mystery to many ... Some historians believe he had a dead tooth that appeared dark blue or black, while others suggest it could be a reference to his ...

The treatment for white spots on teeth will depend on their cause. Options include composite resin treatment, managing tooth decay, avoiding sugary drinks, and adjusting fluoride use. White spots ...