Washington, September 20 : A new study suggests that long-term use of a cell phone may damage a person’s inner ear and high frequency hearing ability.

Presenting the study at the American Academy of Otolaryngology-Head and Neck Surgery Foundation’s Annual Meeting & OTO EXPO in Washington, DC, the researchers said that 100 people who had used cellular phones for over a year suffered increases in the degree of hearing loss over the span of 12 months.

London, Sept 20 : HP, known for inkjet printer cartridges, has developed a "microneedle" patch that injects medicines painlessly through the skin from a patch on the arm.

Washington, Sept 20: A study revealed that pregnancy might slow down the progression of AIDS in HIV-infected women receiving antiretroviral therapy.

It has been revealed that in pregnancy, the usage of Highly Active Antiretroviral Therapy (HAART) can decrease the transmission of HIV to the newborn to approximately 1 percent.

Washington, Sept 20 : Researchers at Columbia University have revealed how the brain handles pleasant and nasty surprises.