Carrie Arnold

Contributing Writer

Biology

How Mutant Viral Swarms Spread Disease

A new understanding of viral swarms is helping researchers predict how viruses will evolve and where disease is likely to spread.

origins of life

Hints of Life’s Start Found in a Giant Virus

Newly discovered specimens support a more ancient origin for viruses, perhaps all the way back to the origins of life.

Nasonia wasp wings.
evolution

Evolving With a Little Help From Our Friends

A new theory suggests that cooperation between a host and its microbes may be a significant evolutionary force.