Researchers at the company are trying to understand their A.I. system’s mind—examining its neurons, running it through psychology experiments, and putting it on the therapy couch.

Now 82, López García is a world-record-holding ultramarathoner and the subject of a new study trying to figure out how he ...

Personal Perspective: "Normal" isn’t perfection but a statistical range based on population data. Diagnoses compare ...

When the cabin pressure suddenly drops, generally due to damage to the seal that keeps the cabin airtight, oxygen masks drop. This provides enough O2 for the pilots to get everyone down to 10,000 feet ...