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image: Fingerprints of Ongoing Human Evolution Found

Fingerprints of Ongoing Human Evolution Found

By | September 5, 2017

Genetic variants in Alzheimer’s- and smoking-related genes appear to be under selection pressure, according to a study comparing the genomes of old and young participants.

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image: Global Patterns of Human Epigenetic Variation

Global Patterns of Human Epigenetic Variation

By | August 28, 2017

A study of five far-flung human populations gives clues to adaptations to environmental pressures.

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image: Organs on Chips

Organs on Chips

By | August 28, 2017

Scientists hope that these devices will one day replace animal models of disease and help advance personalized medicine.

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image: A Bacterial Messenger Molecule Extends Healthspan

A Bacterial Messenger Molecule Extends Healthspan

By | August 28, 2017

E. coli that make indoles protect older worms, flies, and mice from frailty. 

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image: Driving Down Pests

Driving Down Pests

By | August 28, 2017

A computer model estimates that gene-drive technology could wipe out populations of an invasive mammal on islands. 

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image: Gordon Awandare: Ghana’s Homecoming King

Gordon Awandare: Ghana’s Homecoming King

By | August 21, 2017

The infectious disease scientist spent seven years in the U.S. before returning home to establish a thriving center for research and help lead the fight against malaria.

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image: Dengue Infection Impairs Immune Defense Against Zika

Dengue Infection Impairs Immune Defense Against Zika

By | August 18, 2017

A memory B cell response to Zika virus in dengue-infected patients produced antibodies that were poorly neutralizing in vitro and instead enhanced infection.

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There is little evidence that full treatment durations discourage the development of drug-resistant bacteria.

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image: A Database of Genetic Differences Among Lab Mice

A Database of Genetic Differences Among Lab Mice

By | August 7, 2017

Researchers have catalogued mutations in the coding regions of 36 of the most important mouse strains.

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image: The Ever-Expanding T-Cell World: A Primer

The Ever-Expanding T-Cell World: A Primer

By | August 7, 2017

Researchers continue to identify new T-cell subtypes—and devise ways to use them to fight cancer. The Scientist attempts to catalog them all.

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