Intermediate Word: 
  (a) thug  (b) Turkish double-curved scimitar  (c) Mongolian horseman  (d) felt tent 
Difficult Word: - netsuke  (a) shrimp soup  (b) Japanese undergarment  (c) candied cricket  (d) small inlaid Japanese purse toggle

NASA Researchers Say Space Radiation a Top Concern for Future Manned Missions - Space.com  Before any astronauts can begin fulfilling NASA’s new vision of traveling to the moon and Mars, scientists must first develop a full understanding of how long-duration exposure to space radiation affects the body, NASA researchers said Sunday. “But it is not a showstopper,” said Walter Schimmerling, NASA program scientist for space radiation research in Washington D.C., of the radiation risk facing long-term missions. 
Super-healthy cress created  - Nature  The humble cress has never been so wholesome. UK researchers have modified the plant so that it produces health-promoting chemicals that are more commonly found in eggs and fish. The chemicals in question are polyunsaturated fatty acids (PUFAs) called omega-3 and omega-6. Both types of molecule help regulate blood pressure, modify the immune response and aid cell signalling. Omega-3 fatty acids are also thought to aid brain development, and help protect adults from heart disease and rheumatoid arthritis. Although the lab-grown crop is unlikely ever to be eaten, it proves that plants can be genetically tweaked to produce these fatty acids. And it paves the way for future generations of healthier vegetables and other foods. Plants like this could be consumed directly by humans, or enter the food chain after being fed to animals.    

Breast tumour

Gene 'doubles breast cancer risk'  - BBC  Scientists have identified a further gene which increases a woman's risk of developing breast cancer. Two other faulty genes, BRCA1 and BRCA 2, which increase a woman's breast cancer risk by between 50 and 80%, were identified in the mid-1990s. Women can already be tested to see if they have inherited these genes. The gene is said to carry a 'low risk' in comparison with the BRCA genes, but unlike them, CHEK2 increases risk of disease in people who do not have a family history. Scientists believe other 'low risk' genes also exist, each increasing breast cancer by a small amount.

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