Warmer temperatures in early pregnancy in Africa are putting male fetuses at risk, study finds.

Reproductive-age populations show a growing male surplus around the globe as a consequence
of declining mortality, narrowing sex differences in mor...

Nature Human Behaviour - Low fertility may persist and could be good for the economy

A massive analysis of population data in Finland links the decline in national church membership with the country's dropping birth rate. As secularization rises, couples that share a religious affiliation are becoming rarer, further suppressing first-time…