Researchers demonstrated that declining Hedgehog signaling from Cilk1 loss produces stepwise changes in tooth formation ...
New human clinical trial proves arginine, an amino acid, can modify plaque formation on teeth, thereby protecting ...
For centuries, the body of Leonardo da Vinci has been as elusive as his smile, his remains scattered and his grave uncertain, ...
Implosions brought down two historic towers at NASA's Marshall Space Flight Center on Saturday.