While still unproven, the Zika virus, mild for many who get it, appears to cause a severe fetal abnormality -- microcephaly -- in which an infant's head doesn't develop properly in the womb and causes brain damage. The rate of microcephaly in Brazil is suddenly 20 times above average and that rise appears to coincide with Zika outbreaks.
The gap between rich and poor in Canada has increased significantly since 1980. Women continue to earn 20 per cent less than their male peers and are much more likely to be poor. We've seen some heartening gains in recent decades, but the worrying growth in income inequality poses a serious threat.