astronaut, scientistBorn: April 5, 1950Birthplace: San Jose, Costa Rica Chang-Dìaz moved to the United States when he was in high school, and got a doctorate in applied plasma physics from MIT in…
A new quarter for every state by Damon Goldsmith Delaware's quarter, the first to be released, features a portrait of patriot Caesar Rodney.Photo Credit: U.S. Mint…
writerBorn: 1965Birthplace: Appleton, Wisconsin The daughter of Chinese immigrants, Chang left Wisconsin at 18 to attend college at Yale University, where—after trying pre-med and pre-law classes—…
novelistBorn: July 29, 1965 Birthplace: Seoul, Korea A second-generation Korean American, Lee immigrated to the United States with his family when he was 3 years old. He was raised in Westchester…
business leader, rear admiral (retired) Chang served in the U.S. Navy for 34 years before retiring in 1990. He became the first Asian American naval officer to reach flag rank. He held a variety of…
by Ben Snowden Boris Yeltsin's sudden sacking of prime minister Sergei Stepashin on August 9, 1999, was part of a long series of reorganizations within the Russian government. After his…
Try to imagine life without antibiotics. We wouldn’t live nearly as long as we do without them. Here’s a look at some discoveries that have changed the world. It’s impossible to rank their…
Down from the treesFierce, but fluffyOut of the swampNo one has ever seen a living dinosaur, so scientists rely on fossil remains to provide clues to how these ancient reptiles looked and behaved…
SOLID PARTICLESLIQUID PARTICLESGAS PARTICLESSOLAR PLASMAMELTINGBOILINGFIND OUT MOREAll matter exists as solids, liquids, or gases. These are called the states of matter. Matter can change from…