The Learning Pyramid isn’t a rigid scientific formula, but a powerful guide: a reminder that people learn best by doing—and even better by teaching.

When Isabella Cavallo was in college, she started having a series of panic-inducing dreams. “I had so many nightmares about getting kidnapped or running away from a stranger who was trying to attack ...

More than two decades after their discovery, mysterious underwater structures off the coast of Cuba have resurfaced in online discussions, reigniting long-standing debates over their origin — and ...

In 2013, the president of Rwanda asked us for evaluation results from across the continent that could provide lessons for his country’s policy decisions. One program tested in Kenya jumped out, and ...

The World Heritage Convention is one of the most successful international instruments to protect the most extraordinary natural places on the planet, characterized by their natural beauty or ...