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…
human biology
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…
The Rumors Were True: Scientists edited the genomes of human embryos for the first time
Excerpt: “In March, a rumor surfaced in the scientific community that was intriguing, and perhaps a bit chilling: According to those in the know, researchers in China had successfully edited…
Big Data Allows Computer Engineers to Find Genetic Clues in Humans
Big data: It’s a term we read and hear about often, but is hard to grasp. Computer scientists at Washington University in St. Louis’ School of Engineering & Applied Science…