By Maryna Mullerman ‘20 The human microbiome is thought to be shaped by many factors. Daphna Rothschild and researchers from Weizmann Institute of Science in Israel attempted to find the most important determinant for the microbial composition of the human gut. They compared genetic and environmental factors that were thought to influence gut composition and utilized statistical measures to analyze them. The study recruited 1046 … Continue reading What Dominates in Shaping Human Gut Microbiota?
By Maryna Mullerman ’20 Mammalian facial expressions are known to correlate with animals’ internal states. Substantial similarities have been previously identified between chimpanzees and humans, but facial expression similarities between more distant mammalian species is unknown. Caeiro Cátia and researchers from the University of Lincoln in the United Kingdom investigated whether domestic dogs produced certain facial expressions in response to different external emotional stimuli. Furthermore, … Continue reading Facial Expressions Of Humans And Dogs Are Not The Same