Medical research

Sickle cell anemia as malaria defense

Sickle cell anemia causes pain, fatigue and delayed growth, all because of a lack of enough healthy red blood cells. And yet genetic mutations that cause it - recessive genes for the oxygen-carrying hemoglobin protein - have ...

Genetics

Scientists discover important genetic source of human diversity

Researchers at Harvard Medical School and Dana-Farber Cancer Institute report that humans have a surprisingly high number of genes in which one of two copies has been randomly silenced. They suggest that the phenomenon is ...

Genetics

New forms of racism arise in science research

Advances in genetic sequencing are giving rise to a new era of scientific racism, despite decades of efforts to reverse attitudes used to justify the slave trade and Nazi theology, experts said on Friday.

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