Daily Archives: February 26, 2019

Getting metals into mitochondria

Metallurgy and the mitochondrion.

Scientists consider mitochondria, an organelle within cells, as a power plant. But mitochondria are also a site for metallurgy. There iron enters heme, the compound that binds oxygen in hemoglobin and certain other proteins, or helps form

A tipping point in the size of human groups for successful cooperation in social-ecological systems

How large should be a human group to succeed in collaborating effectively? From a theoretical standpoint, social sciences teach that the larger is the group the harder is to cooperate. So far there was no convincing evidence