Uncategorized
- Physics
Putting the brakes on antihydrogen
By mixing ultracold antiprotons and antielectrons, physicists have created the first atoms of antihydrogen that move at a leisurely enough pace for direct measurements of their properties.
- Plants
X-rayed Flowers
For new insights into the delicate architecture of flowers, take an X-ray view. Albert G. Richards, who taught dental radiography at the University of Michigan, presents a gallery of unfamiliar views of familiar flowers, from the hidden archways of an iris to the complex plumbing of columbine spurs. Go to: http://www-personal.umich.edu/~agrxray/gallery.html
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Brain trait fosters stress disorder
A brain-scan study of pairs of twin brothers, in each of which only one twin had been a Vietnam combat veteran, indicates that the inheritance of an undersized brain structure called the hippocampus predisposes individuals to post-traumatic stress disorder.
