Medical research

French firm starts human trials of artificial heart

French biomedical firm Carmat said on Friday it had begun the first human trial of its prototype artificial heart, which aims at overcoming shortages of organs available for transplant.

Immunology

Antibody builders

Antibodies are often the first line of defense against the body's invaders.  Built to recognize and attack foreign bacteria and viruses, antibody molecules are released by cells to do battle with microbial hostiles as part ...

Diseases, Conditions, Syndromes

Discovery points to new approach to fight dengue virus

Researchers have discovered that rising temperature induces key changes in the dengue virus when it enters its human host, and the findings represent a new approach for designing vaccines against the aggressive mosquito-borne ...

Genetics

Do ovaries continue to produce eggs during adulthood?

A compelling new genetic study tracing the origins of immature egg cells, or 'oocytes', from the embryonic period throughout adulthood adds new information to a growing controversy. The notion of a "biological clock" in women ...

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