Ann Thomas

Biology's "Mirror Organisms"—And Their Dangers

Life forms built from left-handed DNA and RNA could threaten Earth’s plants, animals, and insects.

How Your Social Circle Affects Your Microbiome and Health

The microbiome may be socially exchanged, modulating both health and metabolism.

How Schizophrenia Resembles the Aging Brain

The search for schizophrenia’s biological basis reveals an unexpected link to cellular changes seen in aging brains.