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…
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…
Flatworms Could Replace Mammals for Some Toxicology Tests
Scientists at UC San Diego have discovered that planarians, commonly used in high-school biology labs to study regeneration and the primitive nervous system, are actually quite sophisticated when it comes…
SCSU Science Team Working to Save Connecticut’s Bats from Extinction
Bats are dying by the millions, and there’s no sure way to stop the plague of white-nose syndrome that could cause major ecological change and even extinctions, say biologists at…
Chimpanzees May Know When They Are Right and Move to Prove It
Chimpanzees are capable of metacognition, or thinking about one’s own thinking, and can adjust their behavior accordingly, researchers at Georgia State University, Agnes Scott College, Wofford College and the University…
Reprogramming of DNA Observed in Human Germ Cells for First Time
A team of researchers led by the University of Cambridge has described for the first time in humans how the epigenome — the suite of molecules attached to our DNA…