The size of our social networks is limited even in the age of social media.

University of Tokyo researchers unveil picoRing, an ultralow-power ring mouse that controls AR glasses for over a month on one charge.

Our brains evolved with a need to belong and a dependence on trusted others to co-create reality. This dependence puts us all at risk for gaslighting.

Maintaining good cognitive health at any age requires a combination of accessible, motivating and stimulating interventions. Cognitive reserve, far from being fixed, is built up throughout life.