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Scientists have developed a way of amplifying DNA on a scale suitable for use in the emerging fields of DNA-based computing and molecular robotics. Their method could improve disease diagnostics and accelerate the development of biosensors, for example, for food and environmental applications.

Low levels of circulating vitamin K are linked to increased risk of mobility limitation and disability in older adults, identifying a new factor to consider for maintaining mobility and independence in older age, according to a study.

A study has uncovered new potential genetic causes of male infertility, and this discovery will help to develop better diagnostic tests.

Chronic infection with the hepatitis B virus has been conquered in a mouse model, thanks to the work of German researchers and T cell therapy.

A new "virtual biopsy" device has been developed that uses sound vibrations and pulses of near-infrared light to quickly determine a skin lesion's depth and potential malignancy without using a scalpel.

In 1981, a patient from Sydney was transfused with a weakened form of HIV-1 when he received a blood transfusion following a motorbike accident. After controlling his infection for more than 30 years, he appears to have cleared his infection altogether – without therapy.

In an analysis of the real-world impact of a pioneering test called metagenomic next-generation sequencing (mNGS), developed by UCSF scientists to diagnose patients with mysterious inflammatory neurological conditions, the technique was shown to identify infections better than any standard clinical method.

A discovery offers a new technology for detecting bacteria in minutes by "zapping" the bacteria with electricity.

If you're wondering why you entered menopause earlier or later than other women, blame your mother. That's because numerous studies have confirmed the role of genetics in determining a woman's age at menopause. A new study not only reconfirms this association but additionally suggests a link to familial longevity

Fibrinogen is a well-known protein essential for wound healing and blood clotting. However, a study published in Scientific Reports shows it is actually a "double-edged sword" and inhibits an enzyme key for organ development and repair.