Intricate parts

What does Intricate parts mean here?

People will have to decide either to ignore it and give other people a definite edge or to embrace it as something new and promising. And as we have seen in the beginning, because our memory is limited, this method definitely has a lot of potential for our own progress. And business and science have always been intricate parts of humanity's pursue to discover the future. I think that we should use any means to get there faster.