Watching a lot of TV and having a low physical activity level as a young adult were associated with worse cognitive function 25 years later in midlife, according to an article published online by JAMA Psychiatry.Few studies have investigated the association between physical activity in early adulthood and cognitive function later in life. Coupled with the…

It's not just Indonesia's forests and peatlands that are burning – the Amazon is suffering almost as badly, with over 18,000 fires last month in Brazil alone, write Jos Barlow & Erika Berenguer. The future is looking hot and fiery.

What is the climate waiting for Russia and Europe in 15-20 years? Will be there weather abnormalities in the coming decades? Will some areas experience more severe winter, while the others will have hot summer? It all depends on how much the climate will be affected by the dynamics of the possible onset of minimum…

It’s hard not to think of a cactus as a resilient plant. Living in hot, drought-stricken climates, if it can survive there, surely it can make it through anything. Sadly, this assumption is not reality for the cactus. As an international team of researchers discovered, nearly one-third of all cactus species face a looming threat…

Using statistically modeled maps drawn from satellite data and other sources, U.S. Geological Survey scientists have projected that the near-surface permafrost that presently underlies 38 percent of boreal and arctic Alaska would be reduced by 16 to 24 percent by the end of the 21st century under widely accepted climate scenarios. Permafrost declines are more likely…

Food deserts, vast expanses of urban and rural areas that are void of fresh fruit and veggies, are a growing epidemic — affecting more than 23.5 million people nationwide. Disproportionately affecting occupants of poor, low-income neighborhoods, food deserts are the result of a lack of access to healthy food. 

Food deserts, vast expanses of urban and rural areas that are void of fresh fruit and veggies, are a growing epidemic — affecting more than 23.5 million people nationwide. Disproportionately affecting occupants of poor, low-income neighborhoods, food deserts are the result of a lack of access to healthy food.