September 11, 2016
Cosmos
Curated content from the editorial staff at Cosmos Magazine.
Credit: MAGDA TURZANSKA / SCIENCE PHOTO LIBRARY / Getty Images
Like us, plants rely on vessels to transport water and nutrients around tissues. In this cross-section of a maize (Zea mays) stem, cell walls of vascular tissue stained with an ammonium salt berberine glow under ultraviolet light.
