Exercise improves health through changes on DNA

Six weeks of physical exercise led to changes in the epigenetic information of skeletal muscle cells in young men. These changes took place in areas of the genome that have been linked to disease. Scientists say their research shows how exercise remode…

Common insecticide is harmful to bees in any amount

The dangers of neonicotinoid insecticides likely can’t be watered down. That’s the conclusion of a new study showing an insecticide made for commercial plant nurseries is harmful to a typical bee even when applied well below the label rate and the plan…

New York City’s hidden old-growth forests

Tree-ring scientists have mined rare old-growth timbers from demolition at an iconic Manhattan building to produce historical and climate data. Ongoing salvage efforts at other buildings promise to expand on these findings.