Paired Texts > Army Eyes 3-D Printed Food for Soldiers

Today, when most people think of a printer, they think of a laser jet printer that prints ink on paper. But thanks to new technology, engineers have developed 3-D printers that can print objects—and even food. This NPR article takes a closer look at this new technology and how it could be used in modern warfare to feed soldiers.

In "Drones Put Spying Eyes in the Sky," scientists are finding ways to use drones, or unmanned flying robots, in research and conservation efforts. 

Police and law enforcement have historically used fingerprints to identify suspects and prosecute criminals. But now, using new technology and the science of biometrics, scientists have developed a different, and potentially more advanced, way of identifying people. This article explores the science behind biometrics and its potential for law enforcement and beyond.

In the informational text "Alaska Accelerates Indoor Agriculture," Emily Schwing discusses the use of greenhouses to produce fruits and vegetables during Alaskan winters.

In the informational text, "Your food choices affect Earth's climate," Janet Raloff discusses the environmental costs of food production.

In the informational text "Why Paralympic sprinters have trouble with curves," Helen Thompson discusses a study of how runners with prosthetic limbs performed on the curved portion of a track.