Vera Rubin, astronomer who helped find evidence of dark matter, dies at 88
Photo of Vera Rubin while using a measuring engine in the 1970s. Photograph: Carnegie Institution/AP
Archives For science
Childhood fears are common, normal
FUTURE WORRIES Although once regarded by some researchers as a relatively harmless condition, childhood anxiety raises the likelihood of encountering serious problems later in life, researchers now say. By Bruce Bower sciencenews.org
New Australian species is less than appetizing
CUT AND CLOT Two minutes after being cut open, the white flesh of an immature Solanum ossicruentum fruit turns red. After five minutes of air exposure, the bush tomato’s bloody color becomes even darker. By Sharon Schwartz sciencenews.org
