Most of what we know â€” or think we know â€” about how kids learn comes from classroom practice and behavioral psychology. Now, neuroscientists are adding to and qualifying that store of knowledge by studying the brain itself. The latest example: new research in the journal Developmental Science suggests a famous phenomenon known as the "fourth-grade shift" isn't so clear-cut.
The U.S. has temporarily closed its embassy in Libya and evacuated diplomats amid what is being described as a significant deterioration in security, with rival militant factions battling in the capital, Tripoli.
"Due to the ongoing violence resulting from clashes between Libyan militias in the immediate vicinity of the U.S. Embassy in Tripoli, we have temporarily relocated all of our personnel out of Libya," State Department spokeswoman Marie Harf said.
Nearly two decades ago, a massive wave struck the Tokio Express, a container ship that had nearly 5 million Legos onboard. The colorful toy building blocks poured into the ocean. Today, they are still washing up on shores in England.
Tracey Williams and her children first happened upon the Tokio Express Legos in the late 1990s. Since then, she's created a Facebook page called â€” Lego Lost At Sea â€” where other collectors show off their findings.