Neanderthals may have started weaning their young from seven months of age and transferred them to solid food by just over a year, a fossil tooth study said Wednesday.

Other Sciences - Archaeology & Fossils

9 hours ago 3.3 / 5 (3) 1

In an advance toward solving a 50-year-old mystery, scientists are reporting new evidence on how the fluoride in drinking water, toothpastes, mouth rinses and other oral-care products prevents tooth decay. ...

Chemistry - Biochemistry

May 01, 2013 5 / 5 (5) 2