HealthUmbilical blood cells kill cancer quicker than adult cells Blood cells from donated umbilical cords fight leukaemia far better than adult blood, suggesting we've underestimated the power of the fetal immune response ¿ìè¶ÌÊÓÆµ
LifeOctopuses resolve conflicts with many-armed body language Often thought of as solitary animals, octopuses have been observed changing colour and posture to prevent confrontations in crowded spots from escalating ¿ìè¶ÌÊÓÆµ