When exposed to pathogens, the common lab plant A. thaliana relies on a defense protein called NPR1 to stay healthy (right). Plants that lack NPR1 (left) become infected and develop yellow leaves. Cr… [+4575 chars]
Biologist Xinnian Dong says her "best Christmas gift ever" arrived in the form of a phone call. The call was from her longtime friend and collaborator at Duke University, Pei Zhou, who rang with long… [+4046 chars]
EPFL scientists have developed a digital model of the fruit fly, Drosophila melanogaster, that realistically simulates the movements of the animal. The twin is a big step towards reverse engineering … [+5569 chars]
Skywatchers might get a bonus this Sunday, when a meteor storm not associated with a major meteor shower could light up the morning. In the pre-dawn hours on May 15, our planet will pass through a … [+1402 chars]
Scientists have discovered a city-size lake hidden deep underneath the world's largest ice sheet, and it could unlock the secrets of the sheet's 34 million-year history. The hidden lake — which has… [+3981 chars]
The first stars , black holes, and quasars emerged in the Epoch of Reionization, marking the universe's transition from its early undifferentiated hydrogen soup to something much more familiar. But … [+3562 chars]
Primary fluid inclusions in bedded halite from the 830-million-year-old Browne Formation of central Australia contain organic solids and liquids, as documented with transmitted light and UV-vis petro… [+2879 chars]
NASA's most iconic space telescope has spotted a star that survived the violent death of its companion. When a massive star reaches the end of its life, it explodes in a brilliant burst of light, a… [+4392 chars]
A new lightweight, 3D printed smart architected material created by an international team of engineers is inspired by the cellular shapes of natural materials. Image Credit: University of Glasgow. … [+3854 chars]
<li>Delaney, T. P., Friedrich, L. & Ryals, J. A. Arabidopsis signal transduction mutant defective in chemically and biologically induced disease resistance. Proc. Natl Acad. Sci. USA92, 66026606 … [+10490 chars]
The ground beneath our feet and under the ocean floor is an electrically-charged grid, the product of bacteria "exhaling" excess electrons through tiny nanowires in an environment lacking oxygen. Ya… [+1945 chars]
Sending people back to the Moon is crucial to developing the technologies needed to reach destinations such as Mars.Credit: NASA/Getty Its half a century since astronauts walked on the Moon, leaving… [+4480 chars]
