evolution, neuroscience, microbiology, immunology
The Making of a Trait
Megan Scudellari | Jan 26, 2012
Populations of organisms acquire beneficial traits repeatedly and rapidly through co-evolution with other species and through gene interaction.
Arsenic-based Life Challenged Again
Hannah Waters | Jan 24, 2012
An attempt to regrow the infamous GFAJ-1 bacteria, reported to incorporate arsenic into its DNA backbone, has failed.
Low Oxygen Saves Irradiated Brain?
Hannah Waters | Jan 18, 2012
Whole brain radiation therapy costs mice some of their cognitive abilities, but treatment with low-oxygen air revives their reasoning skills.
Evolving Multicellularity
Jef Akst | Jan 16, 2012
Using an artificial selection paradigm, researchers watch as unicellular yeast evolve into snowflake-like clusters with distinct multicellular characteristics.
Killer TB Hits India
Bob Grant | Jan 16, 2012
An incurable form of tuberculosis has turned up on the subcontinent.
Early Signs of Alzheimers
Tia Ghose | Jan 13, 2012
Proteins that appear before patients show symptoms of the disease could offer clues to the disease process.
Is India Polio Free?
Cristina Luiggi | Jan 12, 2012
This week will mark the one-year anniversary of the last polio case in the second-most populous country.
Ever Wonder…
Jef Akst | Jan 10, 2012
How does catnip work?
How to Survive Freezing Waters
Jef Akst | Jan 9, 2012
For at least one species of octopus, all it takes is a little RNA editing.
Chimp Viruses for Human Vaccines
Ruth Williams | Jan 4, 2012
An adenovirus isolated from chimpanzee feces proves more effective than human adenoviruses as a vaccine vector for hepatitis C.