Study identifies thousands of genes that were turned on or off in the uterus during the evolution of pregnancy
An international team of scientists has identified large-scale genetic changes that marked the evolution of pregnancy in mammals. (more…)
165 million-year-old omnivore may have had armadillo-like gait
“We finally have a glimpse of what may be the ancestral condition of all mammals, by looking at what is preserved in Megaconus. It allows us to piece together poorly understood details of the critical transition of modern mammals from pre-mammalian ancestors,” said Zhe-Xi Luo, professor of organismal biology and anatomy. (more…)
*Northeast China fossil provides new information about earliest ancestors of today’s mammals*
A well-preserved fossil discovered in northeast China provides new information about the earliest ancestors of most of today’s mammal species–the placental mammals. (more…)
