The aim of this study was to determine the effect of variations in indentation load and time on the Knoop and Vickers hardness numbers (KHN and VHN) for enamel and dentin. Twenty molar teeth were ...

BELLS, Texas (KTEN)- Callisburg pulled off the 15-12 upset over Bells in a slugfest on Friday night. With the win, Callisburg is now 1-1 in district and 3-3 on the season. The Wildcats will host ...

How are the world's most efficient solar panels learning to sweat? Solar panels can lose up to half a percent of their efficiency for every degree temperature increases, potentially resulting in an 18 ...

Sixty years ago, a monstrous hepatitis experiment was performed on mentally disabled children at Willowbrook State School that raises serious ethical questions about vaccine challenge trials for Covid ...

Colorado's upcoming game against BYU is a critical test for coach Deion Sanders in his third season. A loss to BYU would damage Colorado's chances for a Big 12 title and bowl game eligibility.

A South Carolina man shot his girlfriend dead with a 12-gauge shotgun "after an argument," then went out to his porch to kick back and relax, with cops finding him "eating potato chips, smoking ...

Moringa haircare treatment is another of nature’s blessings that needs more of a spotlight in a desi household and can easily be consumed every day for a long and strong haircare game. (Image Credits: ...

Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.