Poison pill AI 💊 — Halloween treats probably won’t give you lead poisoning, but watch that hot chocolate. Poison pill threatens AI image models. Canada tightens international student rules.

New research is putting the harmful metal content of chocolate under the microscope again, but don’t go tossing the kids’ trick-or-treat haul just yet.If your favourite AI image generator starts spitting out some weird stuff, we may have an explanation.For months now, officials have been saying that the 800,000 foreign students at Canadian universities and colleges are putting too much pressure on housing and the labour market.Celebrating something? Let us know here: https://thepeak.typeform.com/to/MNdYA3TO