North Korean scientists are said to be assisting in this effort.

The South Korean scientists created embryos that were genetic copies of women who donated cells.

Korean scientists are looking at using the tomato to expressing a vaccine against Alzheimer's disease.

"I'm worried that when young Korean scientists go abroad now, foreigners will not have confidence in them."

While North Korean scientists were providing aid, he said, "the most important role is now played by the Iranians themselves."

North Korean nuclear scientists are believed to have received training in the Soviet Union.

South Korean scientists announce the world's first successfully cloned human embryo.

Meanwhile, the paper has come under increasing criticism from Korean scientists.

Now, he said, with the collapse of some of the South Korean scientists' research, the situation may change.

South Korean scientists discovered asparagus can help with hangovers.