Central Africa French colonial medical campaigns vaccination

Past colonial campaigns correlate with health outcomes today

A study found that Central African regions more exposed to cruel French colonial medical campaigns from 1921 to 1956 have lower vaccination rates and lower willingness to take non-invasive blood tests today. World Bank health projects also have lower success rates in those regions.

The name “Middle Ages” reflects a Renaissance view

Renaissance humanists used the label for an era they saw as standing between classical antiquity and their own time. They viewed their scholarship as restoring a direct link to the ancient world, so the name reflects their view of the period, not just a neutral label.

A mantis shrimp's punch can strike its prey twice

Some mantis shrimp swing specialized clubs so quickly that the surrounding water forms vapor bubbles. The first impact comes from the club itself; collapsing bubbles then create additional pressure pulses through cavitation. These forces can help crack hard shells. The animal's weapon combines a mechanical blow with an extreme fluid-physics effect.

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Central Africa French colonial medical campaigns vaccination

Past colonial campaigns correlate with health outcomes today

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