Optical atomic clocks can increase the precision of time and geographic position a thousandfold in our mobile phones, ...

Getting whiter teeth doesn't have to mean spending a fortune at the dentist. You can get professional-looking results with at-home whitening kits that won't break the bank. From easy-to-use strips ...

Brightening options that rely on physical buffers to reduce the appearance of stains may be too abrasive for sensitive teeth. However, popular formulations from top brands like Boka and Davids use ...

However, existing high-accuracy OTD measurement methods have to make a trade-off between the measurement range and the speed. In this paper, an ambiguity-free OTD measurement method based on the ...

You bought an electric toothbrush. You floss. But are you eating stuff that's known to wreck your teeth — or worse, have you seeking out an emergency dental appointment? “Some foods and drinks can ...

Optical atomic clocks can increase the precision of time and geographic position a thousandfold in our mobile phones, computers, and GPS systems ...

The capture of Goma by M23 rebels attracted much noise from western countries and especially the European Parliament. The UN Security Council also held sessions after the fall of Goma, where the UN ...

Had a mechanical engineer designed the human frame, he would no doubt have built the jaws after the fashion of a nut cracker, with the muscles placed at the ends of the jaw levers, and the teeth ...