Pasqual Pinon (1889 - 1929) is a very famous figure for Mexicans and in many parts of the world.
According to a study published in the BMJ medical journal, pregnant women should give birth in the 37th week of pregnancy to improve their chances of survival.
The twins are usually easily over-age 60, with a life expectancy much higher than the general population thanks to the deep emotional affinity difficult to separate.
A recent video of two babbling boys babbling in the kitchen has caused scientists to wonder - what are they talking about, at this new age of 18 months?