Psychology

Our physiological processes become increasingly simple as we age.

The great variety of aging styles among plants and animals suggests it can be controlled.

As our lifespans have increased, so too have our active years. Can that go on?

Failures of perception illuminate the neurology of how we see.

The biochemist explains the elements of life, sex, and aging.

Treating my cat for depression caused me to question the state of anxiety in animals and us.