“an enriched environment can restore memory in mice with Alzheimer’s-like neurodegeneration”

“Through an elaborate process called X inactivation, the chromosome is blanketed with a duct tape of nucleic acid. In some cells of a woman’s body it may be the chromosome from Dad that’s muffled, while in other cells the maternal one stays mum.”

“an open-water Arctic in summers could be more likely in this century than had been estimated in the latest international review of climate research”