IL subs don’t earn credit toward tenure

Although duties of full-time subs mirror those of probationary teachers, the subs can't count their substitute teaching experience toward tenure as teachers under Illinois law.

Chicago lessons for tornado victims in Oklahoma

Like many of you, I have been extremely saddened to watch reports about the killer tornado Monday afternoon, which reduced buildings in Moore, Okla., to "sticks and bricks."

Md. students discuss Chesapeake Bay conservation

Students from Calvert County, in partnership with Morgan State University and the National Oceanic and Atmospheric Administration, presented their research about the health of the Chesapeake Bay.

Kepler spacecraft in jeopardy, NASA says

A malfunction in one of the reaction wheels on NASA's Kepler spacecraft, which is searching for Earth-like planets orbiting stars besides the sun, may jeopardize the planet-search mission.