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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, September 20 : A new study conducted at two universities in Manchester has revealed that microwaves, which are used for zapping instant meals, can also be used to determine the fat and salt content of supermarket food.

Sing Kwei Ng, a student of PhD and one of the researchers behind the study, has won a top industry prize for his work to determine the amount of fat in beef.

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 : Geochemists at Rensselaer Polytechnic Institute have challenged the commonly held ideas about how gases are expelled from the Earth.

The team, lead by Prof E. Bruce Watson, has found strong evidence that argon atoms are tenaciously bound in the minerals of Earth’s mantle and move through these minerals at a much slower rate than previously thought.