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We summarize the week's scientific breakthroughs every Thursday.
- Computing
Random numbers faster
Researchers have devised a way to use a laser to create strings of orderless bits for encryption.
- Humans
Doctors don’t always relay important test results
When it comes to medical tests, don't assume that 'no news is good news,' a new study finds.
By Janet Raloff - Tech
Molecule gears up
Researchers have made one of the most basic components of a machine out of a snowflake-shaped molecule.
- Computing
Asia: One reason America can’t afford to jettison good teachers
Asia appears to prize science and tech education far more than America does, and the result may be a waning of the West's economic and entrepreneurial dominance.
By Janet Raloff - Tech
Proposed quantum motor runs with a kick
Scientists suggest a way to put ultracold atoms to work.
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- Tech
Earliest known sound recordings revealed
Researchers unveil imprints made 20 years before Edison invented phonograph.
By Ron Cowen - Chemistry
BPA: On the way out? Sort of
Half-hearted bans won't really protect babies, much less the rest of us.
By Janet Raloff -
- Tech
White House commissions spaceflight-review panel
Outside experts are being asked to advise NASA on how to get astronauts into space after the shuttle program dies next year.
By Janet Raloff - Earth
Federal budget’s new ‘black book’
The administration details a proposed $17 billion in budget savings in a new book.
By Janet Raloff - Earth
U.S. radiation dose has doubled
New analysis finds radiation-based medical procedures have skyrocketed.
By Janet Raloff