New York, Sept. 22: Democratic presidential candaiate Barack Obama has said that the country’s regulatory system needs to be changed to ensure an improved economic performance.

Speaking with CBS’s Steve Kroft, Obama said America’s biggest financial crisis could be blamed on a lot of factors, but the main one appeared to be a badly-managed regulatory system that has not kept pace with the times.

Washington, Sept 22 : Exposure to sweet and pleasant aromas while sleeping can affect your dreams positively, while a bad odour can have a negative impact, according to a new study.

The research has shown that what people smell while sleeping has a huge impact on their dreams.

This is the first valid study that documents the impact of olfactory function on dreams.

During the study, German researchers used specific volatile odorants with a negative or a positive smell ("rotten eggs" versus "roses") for simulating the participants during sleep.

After the participants woke up, the researchers recorded their impressions.

London, Sep 22: Republican presidential candidate John McCain picked the wrong Palin as his running mate, according to a YouTube video that is attracting hits on the Internet.

The presidential candidate should not have chosen Alaska Governor Sarah Palin, but Michael Palin, the former Monty Python star turned travel documentary maker, The Times reported.

New York, Sept. 22: The only way that the crisis on Wall Street can end is through trust and confidence, Republican presidential candidate John McCain has said.

In an interview with CBs’s Scott Pelley, McCain admitted that the American people were facing tough times, but ruled out a repeat of the Great Depression of 1929.

Washington, September 22 : The senior management of the world’s largest corporations have called for greater visibility on climate change related policy in order to better anticipate the impact of regulation driven carbon markets and carbon prices.

Washington, September 22: Scientists have used DNA evidence to identify 113 new sharks and rays in Australia, which includes a skinny saw shark, a swell shark that looks like it swallowed a Frisbee, and a river shark.

According to a report in National Geographic News, nearly half of the newly named sharks and other species are found only around Australia.

The discoveries increase the continent''s tally of known sharks and rays by a third.

One of the new fish, the collared carpet shark, is so rare that the only known specimen was found in the belly of another shark.

Some of the new species are already threatened with extinction, according to scientists, and many of the sharks and rays have yet to be named.