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Tires and degrading garbage shed tiny pieces of plastic into the air, creating a form of air pollution that researchers suspect may be causing respiratory and other illnesses.

Scientists have generated human stem cell models which contain notochord -- a tissue in the developing embryo that acts like a navigation system, directing cells where to build the spine and nervous system (the trunk).

A research team has taken a crucial step towards resolving a long-standing controversy -- was syphilis introduced to Europe from the Americas at the end of the 15th century, or had it been there all along? Ancient pathogen genomes from skeletons that ...

Economists looked at test scores and school attendance for Chicago-area kids before and after a bug infestation wiped out the city's ash trees. Education outcomes for low-income students went down, highlighting how the impacts of ecosystem ...

Biologists used drone imagery to understand how nursing humpback whale mothers and their calves fare as they cross the Pacific Ocean. Recent declines in North Pacific humpback whale reproduction and survival of calves highlight the need to understand ...

The eastern U.S. has more trees and shrubs than three decades ago. This growth, driven by processes such as tree and understory infilling in unmanaged forests, is helping fuel wildfires, contributing to changing fire regimes in the eastern half of .. ...

A new study shows how one kind of bacteria, Vibrio cholerae, triggers painful intestinal contractions by activating the immune system. The research also finds a more general explanation for how the gut rids itself of unwanted intruders, which could . ...

The social cost of carbon -- an important figure global policymakers use to analyze the benefits of climate and energy policies -- is too low, finds a new study.

Higher calorie foods were preferred among individuals with and without obesity despite similar taste and texture, according to a new study.

New research combines two powerful imaging techniques to study the complete structure of a common aGPCR, including how its long and complex extracellular region interacts with the transmembrane region embedded in the cell surface. The different ...