coronary heart disease, immunology, evolution
Who Sleeps?
Who Sleeps?
The Scientist Staff, Jerome Siegel | Mar 1, 2016
Once believed to be unique to birds and mammals, sleep is found across the metazoan kingdom. Some animals, it seems, can’t live without it, though no one knows exactly why.
Week in Review: February 22–26
Week in Review: February 22–26
Jef Akst | Feb 26, 2016
Questions about how E. coli evolves; spermatids in a dish; fighting bacteria with virus-like molecule; what drives metastasis; antibodies fight Ebola in monkeys
Mutations Not Tied to Metastasis
Mutations Not Tied to Metastasis
Kerry Grens | Feb 25, 2016
Clinical cases link immune changes to a cancer’s spread through the body, but find no role for so-called “driver” mutations.
Single Antibody Protects Macaques from Ebola
Single Antibody Protects Macaques from Ebola
Amanda B. Keener | Feb 25, 2016
The “just right” binding properties of a monoclonal antibody from an Ebolavirus survivor help it neutralize the virus.
Anti-Inflammatory Drugs as Antivenom?
Anti-Inflammatory Drugs as Antivenom?
Bob Grant | Feb 24, 2016
Compounds typically used to calm the immune system can prevent death from scorpion venom in mice, researchers report.
Similar Data, Different Conclusions
Similar Data, Different Conclusions
Ashley P. Taylor | Feb 23, 2016
By tweaking certain conditions of a long-running experiment on E. coli, scientists found that some bacteria could be prompted to express a mutant phenotype sooner, without the “generation of new genetic information.” The resulting debate—whether the data support evolutionary theory—is more about semantics than science.
Premature Assault?
Premature Assault?
Jef Akst | Feb 9, 2016
Plants may trick bacteria into attacking before the microbial population reaches a critical size, allowing the plants to successfully defend the weak invasion.
Fungal Security Force
Fungal Security Force
Karen Zusi | Feb 1, 2016
In yew trees, Taxol-producing fungi function as an immune system to ward off pathogens.
iDarwin
iDarwin
Jef Akst | Feb 1, 2016
A synthetic interview with the father of evolutionary theory, now available as a smartphone app, teaches students and the public about the famed biologist.
Fighting Back
Fighting Back
Mary Beth Aberlin | Feb 1, 2016
Plants can’t run away from attackers, so they’ve evolved unique immune defenses to protect themselves.