A new initiative from k-ID is aiming to corner the market on reusable age checks, with support from tech’s heavy hitters.
The effort of reproducing may divert energy away from repairing DNA or fighting illness, which could drive ageing, but a new ...
Changes with leaf age in diffusive resistance (r$_1$) and xylem pressure potential (P$_D$) were monitored in leaves of five tropical tree species. In all species, very young, expanding leaves had high ...