In TGD the time arrow changes in ordinary "big" state function reductions (BSFRs) which can take place in arbitrarily long time scales. This means that the system lives forth and back in time. One must distinguish between ordinary age and developmental age.
Remarkably, the total evolutionary time spent per given ordinary time interval is roughly twice(!) this time interval! This view explains stars and galaxies older than the Universe and might also explain why the researchers have concluded that the age of the universe is twice the standard age.
The most dramatic implications relate to living systems. BSFR means death and reincarnation with a reversed arrow of time. Similar doublings might occur in biology: for instance, the developmental age of the genome could be twice the age deduced from, say fossiles.
See the article TGD view of the paradoxical findings of the James Webb telescope.
For a summary of earlier postings see Latest progress in TGD.
For the lists of articles (most of them published in journals founded by Huping Hu) and books about TGD see this.