Scientists Uncover A Difference Between the Sexes
Male and female brains operate differently at a molecular level, a Northwestern University research team reports in a new study of a brain region involved in learning and memory, responses…
human biology
UBC Scientists Discover Possible “Obesity Gene”
Scientists at the University of British Columbia have discovered a gene that could be an important cause of obesity. The gene, which encodes a protein called 14-3-3zeta, is found in…
The Evolutionary Link Between Diet and Stomach Acidity
An analysis of data on stomach acidity and diet in birds and mammals suggests that high levels of stomach acidity developed not to help animals break down food, but to…
Cuba Nearly Eliminates Mother-to-Child HIV Infections
Cuba on 30 June became the first country in the world to receive validation from the World Health Organization (WHO) that it has eliminated mother-to-child transmission (MTCT) of HIV and…
A Patient’s Budding Cortex — In A Dish?
A patient tormented by suicidal thoughts gives his psychiatrist a few strands of his hair. She derives stem cells from them to grow budding brain tissue harboring the secrets of…
UCLA Study Finds Cells That Become Sperm or Eggs in Humans are Vulnerable During Pregnancy
UCLA scientists examining causes of human infertility have found that the cells that create eggs or sperm during the prenatal stage of development are vulnerable to damage, according to new…