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Are doctors zapping patients with too much radiation?

A new study says that the average American is exposed to six times more radiation from medical tests than in the early 1980s, prompting warnings that physicians may be upping patients' cancer risk by giving them unnecessary exams. 

A study by The National Council of Radiation Protection and Measurements (NCRP) shows that the average American's overall radiation exposure jumped from 3.6 millisieverts (mSv) to 6.2 mSv per year -- almost entirely a result of radiation-based medical tests...

March 5, 2009 — Coco Ballantyne

BPA baby bottles get the boot in one New York State county

Officials in Suffolk County in Long Island, N.Y., this week voted to ban the sale of baby bottles and sippy cups that contain bisphenol A (BPA), a chemical linked to heart disease and diabetes as well as reproductive, immune system and other health problems...

March 4, 2009 — Katherine Harmon
Can Babies Be Made-to-Order?

Can Babies Be Made-to-Order?

A fertility clinic says it will give couples the option of fiddling with the blueprints for their broods. But how much flexibility will--or should--they have?

March 4, 2009 — Coco Ballantyne

Last 100 Balkan lynx face possible extinction

Cat species don’t get much rarer than the Balkan lynx ( lynx lynx martinoi ). At most, 100 members of this critically endangered subspecies of the Eurasian lynx ( lynx lynx ) remain in the wilds of Macedonia and Albania, according to extensive surveys organized* by the Coordinated Research Projects for the Conservation and Management of Carnivores (KORA), based in Switzerland...

March 4, 2009 — John Platt

New Koobface worm lets hackers play tricks on Facebook, MySpace members

Is there a new generation of the so-called "Koobface" worm that's been plaguing social networking sites?

Apparently so. Rik Ferguson, a researcher with computer security software maker Trend Micro, earlier this week reported on the company's Web site that he had found a new variant of Koobface, which first surfaced in December, after investigating a Facebook message he received that appeared to have come from someone on his friends list and directed him to a spoofed YouTube site...

March 3, 2009 — Larry Greenemeier

Confirmation of top U.S. science adviser picks on hold

Senate confirmation of two of President Obama's science appointees —John Holdren to lead the White House Office of Science and Technology Policy, and Jane Lubchenco to head the National Oceanic and Atmospheric Administration (NOAA) — is on hold because of political maneuvering on an unrelated issue...

March 3, 2009 — Jordan Lite
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