Baltimore bridge collapse: A bridge engineer explains what happened, and what needs to change
One lesson is that we need to consider how the vessels near our bridges are changing
Few nations can achieve child mortality reduction goal set for 2035: report
'Only nine of 74 nations where most under five deaths occur can achieve goal of 20 deaths per 1,000 live births if current trends continue'
Trio win physics Nobel for studying universe's expansion
The laureates studied several dozen exploding stars, called supernovae and made the discovery
3.1 million children under five die of malnutrition annually
Study says child mortality linked to maternal undernutrition, obesity