New Delhi, Apr 9: Chinese scholars have rebutted US’ allegations that China was engaged in spying and forging secret nuclear deals with foreign countries, saying these were induced by the perceived “China threat” worrying Washington.

“More accusations are being made nowadays, probably because the military contractors are fighting against a fundamental defense budget now proposed by the US defense chief,” said Beijing-based military expert Song Xiaojun.

Washington, Ap

Washington, April 9 : A new research by NASA scientists has suggested that much of the atmospheric warming observed in the Arctic since 1976 may be due to changes in tiny airborne particles called aerosols.

Emitted by natural and human sources, aerosols can directly influence climate by reflecting or absorbing the sun''s radiation.

The small particles also affect climate indirectly by seeding clouds and changing cloud properties, such as reflectivity.

Washington, April 9 : Low levels of vitamin D in patients with autoimmune disease may be a result rather than a cause of the disease, and supplementing with this nutrient may worsen a patient's condition, according to a review.

Researchers at the California-based non-profit Autoimmunity Research Foundation, who have authored the review, say that vitamin D may provide short-term relief by lowering inflammation, but it may exacerbate disease symptoms over the long-term.

Washington, April 9 : A novel therapy for metastatic prostate cancer has shown considerable promise in early clinical trials by reducing signs of the disease in patients with drug-resistant cancer.

Of 30 men who received low doses of one the drugs in a multisite phase I/II trial designed to evaluate safety, 22 showed a sustained decline in the level of prostate specific antigen (PSA) in their blood.

New York - US stocks gained Wednesday, ending a volatile session and a two-day losing streak, amid optimism over a major merger in the housing sector.

Stocks briefly cut gains after the Federal Reserve said in its minutes from its last policy meeting in March that "downward risks" remained in the economy. The United States is in the midst of one of its longest recessions since the Great Depression.

The Fed noted a rapid deterioration in labour market conditions, with steep job losses across all sectors.