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AstronomyX-ray images highlight galaxy collisions
A new study provides graphic evidence that X-ray observations may be the best way to identify ancient collisions between galaxies.
By Ron Cowen -
Health & MedicineSARS vaccine triggers immunity in monkeys
An experimental vaccine against the SARS virus shows promise in a test on monkeys.
By Nathan Seppa -
19365
I do not know about the rest of your readers, but I do “hear” at least some low frequency sounds, but not with my ears. The nerves in my feet feel these vibrations and my brain parses the sounds to my flight-or-fright processor before I can process any conscious perception. Ray BryanSt. Paul, Minn.