This latest research at Swansea University's College of Engineering follows an initial study into the effects that a normal pregnancy has on women's cardiovascular function.

BBC: Pregnant women

The new study, which only focused on the hours between 8am and 5pm, suggests that lung function may be controlled by the same pattern.

BBC: NEWS | Health | Lungs 'best in late afternoon'

On this day Pickens became a subject of Park's ten-year study to measure how brain function changes with age.

FORBES: Magazine Article

The next step is to figure out if stimulation also can help when recalling old memories, because that function can also be impaired with dementia, according to Nanthia Suthana, the first author on the study and a UCLA postdoctoral researcher.

WSJ: Memory Gets Jolt in Brain Research

This is only an early result from a very small study, but coming on the heels of reports just a few months ago, in which adult stem cells restored heart function to patients with advanced heart failure, the promise of stem cells again got just a bit brighter.

FORBES: Embryonic stem cells: can we make the blind see?