Powerful magnets at a laboratory in Florida are allowing researchers to see the unseeable, understand the nature of things, and break the boundaries of scientific knowledge. Faith Lapidus has more on the National High Magnetic Field Laboratory. VOA Khmer's Leakhena Sreng narrates.
A leap in technology has allowed scientists to take their DNA labs out into the fields, so farmers can identify diseases quickly and tackle the problem before their crops die, or the virus spreads to neighboring farms. VOA Khmer's Hong Chenda narrates.