The seeds of maritime pines remember the temperatures they experienced during early development. This memory persists in young trees for at least two years after germination. The above discovery was made by researchers at INRAE, CEA, FCBA, the University of Orléans, the University of Perpignan, and the University of Lisbon. The memory is epigenetic in nature, meaning that the seeds' environmental experiences influenced the expression, but not the DNA sequences, of their genes.