nih.gov

LQYrd TIL: Your memories aren’t stored in a single place – Instead, they are reconstructed from different brain regions every time you recall them. Over time, repeatedly recalling a memory can make it more about how you last remembered it rather than the original event itself.
5VD1B TIL: In December 2024, a single mutation known as Q226L was found to enhance the ability of H5N1 ('bird flu') to infect human cells, particularly in the respiratory tract. Previously, at least three mutations were thought to be required for the virus to infect people and spread between them.
5V01n TIL 33% of American women met weekly recommendations for aerobic exercise, as opposed to 43% for men.