Growth strengthening in most advanced countries: OECD
Paris: Â Growth is strengthening in most advanced economies but several emerging nations continue to slow, the OECD said Wednesday....
Saarland University in Germany
Fluoride layer too thin to protect teeth
by Saeed Abbasi
Fluoride in some toothpaste and mouthwash, believed to prevent tooth decay, may actually be ineffective as the so-called protective layer it forms is too thin,...