Full Answer. 1  Stop smoking To help reduce additional tobacco stains or to prevent newly whitened teeth from becoming discolored again, stop smoking. Smoking leads to many oral health problems, including gingivitis and oral cancer, and quitting reduces these risks and prevents staining.
The dinosaur species featured in the show are actual dinosaurs discovered by paleontologists. Dinosaur Train is co-produced and animated by Sparky Animation Studios in Singapore, with casting by Vidaspark and voice-overs recorded at Kozmic Sound in Vancouver, British Columbia, Canada.
Japanâs Bullet Train, the Worldâs First (and Still Best) High-Speed Rail Network, Turns 50. Bullet trains transformed Japan, making it more urban, more mobile and more prosperous. Half a century ago, Japan built the worldâs first high-speed rail network â a network that remains the gold standard in train travel today.