London, Oct 2 : Some Caribbean forests were at their densest during the 'Little Ice Age', a new study by a palaeontologist from the National Autonomous University of Mexico, has revealed.

During the course of her study, Maria Lozano-Garcia found that the normal dry season was either shorter or nonexistent during the Little Ice Age (1350-1850), as indicated by a sharp increase in the amount of pollen from both lowland and upland forests deposited in core-samples taken from Lago Verde.

London: According to the British researchers, daily consumption of dark chocolate in limit, may improve physical condition by lessening blood pressure and meliorating brain function.

Dark chocolate contains higher levels of polyphenols, an antioxidant chemical, which has been linked with health advatages, for example a reduction in blood pressure.

London: Suggestions for working women, especially those who do the graveyard shift, just don’t allow job stress destroy your physical condition.

A recent study by European scientists has revealed that women who feel strained on the job could be at a noticeably increased risk of having breast cancer.

London, Oct 1 : A day after the British Police launched a new search for a new suspect in the Madeleine McCann case, Portuguese cops have claimed that the three-year-old died after she fell down a flight of stairs.

Police reports said that the tot, who went missing in May this year during a family holiday in Portugal, fell down a flight of ten stairs leading up to the McCann family apartment's patio doors.

London, Oct 1 : Researchers have discovered a regulatory protein, called CTLA-4, which they believe is a second molecular “switch” responsible for turning off the immune system’s response against HIV.

The study in which the protein was discovered was conducted by researchers at the Partners AIDS Research Center at Massachusetts General Hospital (PARC-MGH) led by Dr Bruce Walker.

Last year members of the same team identified a molecule called PD-1 that suppresses the activity of HIV-specific CD8 T cells that should destroy virus-infected cells.

London, Oct.1 : A BBC producer has expressed his determination to prove that George Mallory, and not New Zealander Edmund Hillary and his Nepali Sherpa Tenzing Norgay, was the first to reach the summit of the over 29,000 feet high Mt. Everest.

Graham Hoyland will tell the Royal Geographical Society this week how George Mallory and Andrew Irvine were the first men on Everest in 1924.

Hillary and Tenzing reached the summit in 1953.

Mallory's frozen body was recovered in 1999, 75 years after he started out on his expedition.