Word: speciesism
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There is clearly an irony in the notion that attaching a "price" to ecosystems can help people reconnect with nature and what it offers us. Yet appreciating nature from an economic perspective may put environmental concerns on the table in a way that governments and institutions can work with. "In...
A more fundamental question, then, is, What causes changes in gut microbiota? Many things, says Gewirtz, including the use of antibiotics, cleaner water and improved sanitation and hygiene in general, which influences the type and amount of microbes that reside in the intestines. In the current study, scientists found that...
Studying those changes is the next step for scientists like Gewirtz who want to understand the precise link between intestinal microbiota and obesity. An important part of that investigation will involve having an accurate map of the genetic makeup of those gut bugs. And in a separate paper published Wednesday...
Abzhanov said that the next challenge is for researchers to explain the genetic origins of the higher order transformations that account for the differences in beak shapes above the species level.
According to team leader Abzhanov, the findings shed new light on the work of D’Arcy Wentworth Thompson, a Scottish biologist who used mathematics in the early 20th century to explore the morphological relationships between different species of crabs.