FLAUNTING FRAGRANCE By comparing a sweet-smelling Papa Meilland rose (shown) with a bland bloom, researchers discovered a surprising enzyme critical to roses' aroma-making.
Takashi .M/Flickr (CC BY 2.0)
RADIO REFLECTIONS To send messages via the moon, ham radio operators send radio waves some 384,000 kilometers to the Earth’s natural satellite. The waves bounce and hopefully are received by a ham radio user somewhere else.
DAZZLING DOTS Tiny semiconductor particles called quantum dots light up mouse intestines in this microscope image. Red and green represent proteins illuminated by fluorescing quantum dots. Cell nuclei are stained blue with a traditional dye not involving quantum dots.
Provided by Thermo Fisher Scientific. Image by Thomas Deerinck and Mark Ellisman/National Center for Microscopy and Imaging Research