Doctor Ruhli says scientists could better understand mummies if they used both CT scans and terahertz imaging technology.

VOA: special.2010.06.29

The study found that one in five children over age two had a low risk of serious injury but received CT scans anyway.

VOA: special.2009.10.28

Radiation used in CT scans may be harmful to the genetic material within mummified remains.

VOA: special.2010.06.29

Doctor Ruhli used CT scans to investigate the cause of King Tut's death.

VOA: special.2010.06.29

The CT scans produced images of their whole bodies.

VOA: special.2009.12.15

Dr.Nicholas says before he left the FDA, he and other scientists warned against the routine use of CT scans.

VOA: standard.2010.04.07

She found that some patients received 20 times more radiation than others during CT scans for the same condition.

VOA: standard.2010.01.30

Back in 2005, when Frank Ruhli was trying to figure out how ancient Egypt's famous boy pharaoh,King Tut,died, he used CT scans.

VOA: standard.2010.05.05

Now these toddlers are young adults in their 20s, and Cecil and her colleagues brought them into the hospital for brain scans.

VOA: standard.2009.12.19

He says the images they have gathered with the terahertz scans are very promising.

VOA: standard.2010.05.05

Dutch officials have ordered detailed, full body scans of all U.S.-bound air travelers.

VOA: standard.2009.12.30

But with 70 million CT scans being performed in the U.S.

VOA: standard.2010.04.07

The American Civil Liberties Union has said that full body scans amount to a "humiliating" assault on the dignity of passengers that citizens in a free nation should not have to tolerate.

VOA: standard.2009.12.30

Eight years later, had brain scans.

VOA: standard.2009.12.30

A representative who co-sponsored the measure described body scans as a "virtual strip search" that the American public should not be subjected to, and suggested using explosives-sniffing dogs as a less-invasive method of detection.

VOA: standard.2009.12.30

A spokesman for the group says CT scans are frequently used in hospital emergency rooms because the results can be read quicker than with other tests, like ultrasound or MRIs, that do not use radiation.

VOA: standard.2010.01.30

Use of the CT Scan has increased dramatically since it was introduced A 2007 report in The New England Journal of Medicine estimated that at least 62 million CT scans were conducted yearly in the United States.

VOA: standard.2010.01.30