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Rather than getting a gene for its original function, a horizontal gene transfer provides the raw material for evolutionary innovation.

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Drug-free environments, such as a designated ward in a hospital, might reduce the strength of selection for resistance.

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image: Image of the Day: Immune Cell In Action

Image of the Day: Immune Cell In Action

By The Scientist Staff | April 23, 2018

By combining two new microscopy technologies, researchers filmed immune cells toiling away in the inner ear of a living zebrafish.

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image: How Kidney Cancer Evolves

How Kidney Cancer Evolves

By Jim Daley | April 18, 2018

Renal cell carcinoma tumors have three different evolutionary fates, each associated with specific clinical outcomes.

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image: Children With Malaria Smell More Attractive to Mosquitoes

Children With Malaria Smell More Attractive to Mosquitoes

By Shawna Williams | April 17, 2018

The parasite changes people’s scent, primarily due to an increase in aldehydes.

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A new report estimates that 95 percent of people live in areas with dangerously high levels of fine particulate matter such as dust and soot.

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Genetic analyses uncover cellular hallmarks of bladder cancer tumors that don’t respond, but interfering with one of those characteristics in a mouse model causes tumors to shrink.  

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image: Image of the Day: Nanobot Schematic

Image of the Day: Nanobot Schematic

By The Scientist Staff | April 13, 2018

A magnetically controlled device could have applications in studies of cell biology and biophysics.

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image: New Ovarian Cancer Vaccine Shows Promise

New Ovarian Cancer Vaccine Shows Promise

By Catherine Offord | April 12, 2018

A preliminary clinical trial finds that the personalized therapy improves survival rates and has no severe side-effects.

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Authors of a new study suggest that 520-million-year-old structures, previously identified as the brains of ancient arthropods, are instead preserved microbial biofilms.

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