This medicine seems to work by governing the activity of a chemical involved in information processing, storage and memory.

VOA: special.2011.02.08

"Growing and processing herbal medicine are value-added activities that will create new income sources - and provide substitutes for unprofitable crops, as well as cheap alternative medicine for everyone, " she says.

CNN: SPECIAL REPORT: HEALTH

One challenge is improving the algorithms of natural language processing by adapting to the specialist languages area such as medicine and finance, where Watson is learning to work.

FORBES: IBM's 20th Year Of Record U.S. Patents Leads With Cognitive Computing