Image of the Day

A bright-field image of an oak (Quercus) leaf with tufted trichomes, which are wispy appendages--often hairs--on plants and some protists.

By The Scientist Staff | November 29, 2012

Uma Ganesan, 2009 Olympus BioScapes Digital Imaging Competition

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By Edyta Zielinska

Chilly weather could impede the immune reactions that most effectively contain viruses like the common cold.

By Edyta Zielinska

Viruses that attack bacteria may be an important component of our gut microbiota.

By Sabrina Richards

Synthetic biologists are looking to analog, not digital, circuits to create cell-based calculators that can add, divide, and even perform algorithms.

The Scientist