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New research published by a team of scientists from the USDA Forest Service and Purdue University suggests that tiny soil fungi that help and are helped by trees may influence a forest’s vulnerability to invasion by non-native plants.

The harmful effects of being overweight have been underestimated, according to a new study that analysed body mass index (BMI), health and mortality data in around 60,000 parents and their children, to establish how obesity actually influences risk of death. The University of Bristol study is published today in the International Journal of Epidemiology today [Friday 1 December].

An estimated 13,000 historic sites could be lost or damaged in the southeastern United States with just 3 feet of sea level rise, according to a new study by a team of archaeologists published in the journal PLOS One. More than 32,000 sites would be at risk if sea levels rise 15 feet.

When we sleep, our organism goes through different phases of sleep, however the brain remains interconnected during non-REM sleep, which was thought not to happen. The finding by a European team of researchers has also made it possible to analyse the scientific basis of consciousness, an increasingly important field of neuroscience.

Worldwide, the United States is one of the biggest greenhouse gas emitters. The Obama administration began efforts to drop those numbers by increasing vehicle fuel economy standards in 2011 and with its Clean Power Plan proposals in 2015.