Search and Discovery
Atmospheric maps and in situ spectrometry of clay minerals constrain climate models and the prevalence of water in the planet’s ancient past.
It’s long been thought that at size scales of tens of nanometers, our genetic material is packaged in a neat, orderly way. New observations show that’s not the case.
To explain the observed abundance of the light metallic element, astrophysical modelers have concluded that much of it was produced in stars. But direct evidence has been lacking until now.
Issues and Events
Bernard Bigot sees management of the seven-party international effort as a greater challenge than the technological demands.
With federal funding in decline, philanthropists are stepping up to back risky projects, early-career researchers, and expensive scientific equipment.
Recent experiments suggest that helium-4 atoms can flow through an experimental cell filled with solid helium. But that incompletely understood flow is quite different from the reported superfluid-like motion that so excited physicists a decade ago.
A panel discussion: Nine specialists foresee an expanded frequency range, new kinds of lasers, and many novel applications.