Pathologist Thomas Harvey took dozens of photos of Einstein's brain. This one shows that Einstein's prefrontal cortex (associated with higher cognition and memory) is unusually convoluted. On the right side of the brain there are four large ridges, where most people have only three. Brain(2012)/National Museum of Health and Medicine hide caption

itoggle caption Brain(2012)/National Museum of Health and Medicine

New research suggests that doctors who communicate online with their patients may not see a drop in office visits. iStockphoto.com hide caption

itoggle caption iStockphoto.com

The warmer orange colors show parts of the brain most active during improvisational rap. The blue regions are most active when rappers performed a memorized piece. NIDCD hide caption

itoggle caption NIDCD

The Beatles rehearse for that night's Royal Variety Performance at the Prince of Wales Theatre in 1963. Central/Hulton Achive/Getty Images hide caption

itoggle caption Central/Hulton Achive/Getty Images

The relationship between science and the government shifted dramatically in the wake of World War II, when the fruits of basic research resulted in an applied technology that changed the course of the war and world forever. Above, a nuclear explosion at the Trinity Site on July 16, 1945. Los Alamos National Laboratory hide caption

itoggle caption Los Alamos National Laboratory

Urushiol, the chemical in poison ivy, is also harvested from the Japanese lacquer tree to coat lacquerware. Here, a rash caused by lacquerware that likely was not properly cured. Kenji Kabashima hide caption

itoggle caption Kenji Kabashima
Álvaro Marín

Each of these mouse pups was born from an egg scientists created using embryonic stem cells. It's possible the technology could change future treatment for human infertility. Katsuhiko Hayashi hide caption

itoggle caption Katsuhiko Hayashi

Stefano Amabili walks under the sun in Miami Beach, Florida, in May. The Center for Disease Control and Prevention has found that more people are using sunscreen and protecting themselves from the sun's rays. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

A mural in an ancient tomb in China shows a troupe of eunuchs. How long did they live? Wikimedia Commons hide caption

itoggle caption Wikimedia Commons