Medical research

3-D images show how sperm binds to the egg surface

Researchers at Karolinska Institutet in Sweden have obtained the first 3D snapshots of a sperm protein attached to a complementary egg coat protein at the beginning of fertilisation. The study, which reveals a common egg ...

HIV & AIDS

Conception options available for HIV-discordant couples

(HealthDay)—Various methods are available for reducing the risk of HIV transmission in HIV-discordant couples who would like to attempt conception, according to research published in the June 2 issue of the U.S. Centers ...

Medical research

Stem cells show promise – but they also have a darker side

Everyone seems to be excited about stem cells. Their excellent promise as a treatment for a range of diseases and injuries mean almost guaranteed coverage for research. While some types of stem cells are already being used ...

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