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We summarize the week's science breakthroughs every Thursday.
- Tech
Isotope crisis threatens medical care
Global production of the feedstock for the leading medical-imaging isotope is low and erratic, putting health care in jeopardy.
By Janet Raloff - Physics
Casper the Quantum Ghost
Researchers find that a strange kind of imaging relies on quantum mechanics.
- Tech
Scientists propose lab-grade black holes
Creating tiny, artificial black holes could help uncover what happens to particles on the edge of full-sized black holes.
- Computing
Minifridge makes quantum computers last
A new study shows that if ions are kept cool, then the information they hold can be repeatedly manipulated.
- Health & Medicine
BPA: House tries to put feds on the spot
New legislation has a proviso asking for a reanalysis of a widely used plasticizer's safety.
By Janet Raloff - Health & Medicine
When BPA-free isn’t
A type of plastic that shouldn't contain a hormone-mimicking ingredient may have it anyway, Canadian government scientist find.
By Janet Raloff - Tech
Electric grid still very vulnerable to electromagnetic weaponry
BLOG: Smart grid advocates weigh in on the vulnerability of the U.S. electrical infrastructure to electromagnetic pulse radiation.
By Janet Raloff - 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.