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Data poisoning can make an AI system dangerous to use, potentially posing threats such as chemically poisoning a food or water supply. ArtemisDiana/iStock via Getty Images

How poisoned data can trick AI − and how to stop it

Data poisoning corrupts AI systems by teaching them with bad data. There’s no silver bullet to protect against it, but researchers are building defenses.
More than 150 Southeastern Pennsylvania Transportation Authority buses across Philadelphia are equipped with cameras that detect vehicles blocking bus lanes. Han Zheng via Wikimedia Commons

Philadelphia is using AI‑driven cameras to keep bus lanes clear – transparency can help build trust in the system

An information systems expert explains why fairness and transparency are key to introducing new AI-driven enforcement technologies to the public.
Indicators used in tracking innovation in Africa are borrowed from high-income countries. Getty Images

Africa’s innovations are overlooked because global measures don’t fit: what needs to change

Many of Africa’s most powerful innovations are not being measured correctly.

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