Washington, Sept 23 : Scientists at the University of Leicester have discovered a natural fruit-based extract that dramatically improves the growth and probiotic qualities of ‘friendly’ bacteria, such as the lactic acid bacteria, which are found in the most widely-advertised health supplement drinks.

There is currently a great deal of interest in the health-associated properties of probiotics, also known as ‘beneficial’ or ‘friendly’ bacteria, and prebiotics, the food needed for the growth of probiotic when inside our bodies.

New York: Merck, US pharmaceutical company has stopped examinations of an anti-AIDS vaccine after an analysis proved it ineffectual.

The conclusion is seen as a delay for the cause of battling the wide-reaching AIDS outbreak as the vaccine known V520 was primarily billed as predicting.

Washington, Sept 23 : Climate change is accelerating the spread of dengue fever throughout the Americas and in tropical regions worldwide, a new study by a Harvard Medical School researcher has revealed.

The study said more rainfall in certain areas and warmer overall temperatures was providing optimal conditions for mosquitoes –which spread the virus that causes dengue – to breed and expand into new territories.

Washington, Sept 23 : A German-American research team of biologists and geochemists has discovered hitherto unknown anaerobic bacteria in marine sediments, which need only propane or butane for growth.

Ethane, propane butane, and methane are the major constituents of natural gas. Biological processes may lead to the degradation of these hydrocarbons in underground petroleum reservoirs and other geological habitats.

Billionaires in United States have made more money this year as per the Forbes list of 400 wealthiest Americans. While there are some new entrants to the list, the top positions are mostly held by familiar faces. The entry vault was raised by US $300 million.

Washington: Scientists had discovered many ways to stimulate the body’s own anti-aging protections maybe with a pill, which could battle various diseases at a time.

The study, which is published in the journal ‘Cell’, helps explicating why animals fed very light foods live a longer life, but it also provides new ways to aspire to reproduce the outcomes of these diets using a pill in place of hunger.