To get the stem cells, the scientists must extract them from blastocysts - early-stage embryos, just a few days old.

In further disclosures on Aug. 6, the government admitted that its scientists had extracted "tiny amounts" of plutonium.

In addition, scientists have extracted the starches within the flour produced by the ground rhizomes of C. angustifolia and compared it to corn starch.

To date, scientists have successfully extracted bits of DNA from half a dozen amber drops.

Now Western scientists have extracted two active ingredients from the herb and have determined that they reduced alcohol consumption in experiments with hamsters.

For a decade, scientists have been extracting what may be a 3.3-million-year-old Australopithecus.

A German scientist extracted morphine, opium's most potent ingredient, from the plant in 1803.

The population is still very unstable, and will not allow scientists to extract epibatidine in the near future.

In research reported in the current issue of the British journal Nature, the scientists extracted cores up to 100 feet long from the North Atlantic sea bed.

A forensic scientist will extract 100 gm.