Blood analysis in supercentenarians showed that they have many more cytotoxic CD4 T-cells than people with average life spans.
Two parallel temperature-responsive mechanisms ensure that circadian rhythms are not skewed by changes in temperature
A sugar (fucose) analog can prevent liver cancer (hepatoma) from invading healthy liver cells.
The large size of mouse oocytes is shown to create errors when chromosomes divide between daughter cells.
Mast cells in the gut help fight off parasitic worms in the early stages of infection.
Fewer components are needed for chromosome assembly during cell division than previously supposed.