Study finds gut microbes adapt quickly to changes in food preparation

Scientists have recently discovered that different diets — say, high-fat versus low-fat, or plant-based versus animal-based — can rapidly and reproducibly alter the composition and activity of the gut microbiome, where differences in the composition and activity can affect everything from metabolism to immunity to behavior.

Clea Simon | Oct. 2, 2019 | harvard
~8 mins   

Tags: health-medicine clea-simon cooking fas gut-microbiome human-evolutionary-biology katia-chadaideh-corinne-f-maurice kylynda-bauer nature-microbiology peter-turnbaugh rachel-carmody vayu-maini-rekdal

Harvard researcher finds canine brains vary based on breed

Erin Hecht, who joined the faculty in January, has published her first paper on our canine comrades in the Journal of Neuroscience, finding that different breeds have different brain organizations owing to human cultivation of specific traits.

Jill Radsken | Sept. 3, 2019 | harvard
~7 mins   

Tags: science-technology brains breeds dogs erin-hecht fas human-evolutionary-biology jill-radsken neuroscience science

Harvard evolutionary biologist Daniel Lieberman turns his attention to walking

A running-studies pioneer takes a look at walking, with and without shoes, and gives calluses a thumbs-up.

Jed Gottlieb | June 26, 2019 | harvard
~5 mins   

Tags: science-technology calluses dan-lieberman daniel-lieberman fas human-evolutionary-biology jed-gottlieb nick-howolka walking

Study shows that many who experience trauma of war become increasingly religious

Working with a team of international researchers, Harvard scientists gathered survey data in several locations around the globe and found that, following the trauma of seeing a friend or loved one killed or injured during conflict, many became more religious.

Peter Reuell | March 5, 2019 | harvard
~4 mins   

Tags: science-technology faculty-of-arts-and-sciences fas harvard henrich human-evolutionary-biology joseph-henrich nature-human-behavior peter-reuell religion religiosity reuell sierra-leone tajikistan trauma uganda war war-shock

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