In their study, Braun and the team document the selectivity patterns of stone tools for nut-cracking among chimpanzees in Bossou, Guinea. They used controlled experiments to introduce various rock ...

It triggers the process of “free association” in their mind. I suggest this process once a week. English teachers, at least, can game the system, since “writing” is part of the “English ...

Five years into the massive overhaul of the historic Salt Lake Temple, workers recently completed a three-year project to delicately drill 46 holes down through its stone walls. Workers used ...