Marie Curie:
https://www.youtube.com/watch?v=3tuWzjaQuA4
https://issuu.com/jordibayarri/docs/curie_avance/1?ff=true&e=1429961/8713639
https://www.youtube.com/watch?time_continue=5&v=HjOJhIlheHY
Radioactividad:
https://www.youtube.com/watch?v=oXlmD_-lJG0
https://tecnologiaalimentos.jimdo.com/usos-y-beneficios-de-la-radiactividad/