We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

There’s a push to require automakers to test with dummies modeled on female bodies, not just male ones, to improve data that can save lives.

So if we’re right, each former human is now essentially a radio transmitter and receiver. One plurb sends out a signal that ...

Every time our body encounters a new disease-causing agent, a crucial defense system called adaptive immunity comes into play ...