Latest Mark Rigali Stories
A Sandia National Laboratories technology has been used to remove radioactive material from more than 43 million gallons of contaminated wastewater at Japan's damaged Fukushima Daiichi nuclear power plant.
Word of the Day
- In medieval musical notation, a sign or neume denoting a shake or trill.
The word 'quilisma' comes from a Greek word meaning 'a roll'.