The Chemistry Principle That Determines Whether Candy Is Hard Or Soft

While the variety of candies seems endless, all of them fall into two main categories: crystalline (typically soft and creamy) and non-crystalline (generally hard and brittle). The deciding factor is how the preparation process manipulates the sucrose molecules within sugar. Mmm, crystallization. » 10/22/14 9:20am Wednesday 9:20am

Maven Delivers Its First Ultraviolet Images From Mars

Piling on to the good news from Mars this week, NASA's Maven spacecraft sent home its first ultraviolet images from Mars. While they may not be flashy, these images will help determine the composition and variability of the upper atmosphere, and investigate the mystery of when the water escaped. » 9/26/14 12:02am 9/26/14 12:02am

Shapeshifting Metal Brings Us One Step Closer to the T-1000

Composed of liquid metal, the robot assassin in Terminator 2 could change its shape at will. In boring real life, surface tension makes forming non-spherical liquid shapes impractical—at least until now. New research has yielded a technique that makes it possible to manipulate liquid metal into multiple configurations. » 9/23/14 1:40pm 9/23/14 1:40pm