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image: How Poison Frogs Avoid Poisoning Themselves

How Poison Frogs Avoid Poisoning Themselves

By | September 21, 2017

Amphibians resist their own chemical defenses with amino acid modifications in the sequence for a target receptor.

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image: Icelanders’ Genomes Hint at Origins of Genetic Diversity

Icelanders’ Genomes Hint at Origins of Genetic Diversity

By | September 20, 2017

An analysis of 14,000 genomes reveals regions where new mutations are more likely to develop.

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image: Cargo-Sorting DNA Robots

Cargo-Sorting DNA Robots

By | September 14, 2017

Autonomous molecules that collect, carry, and sort different genetic packages usher in a new era for nucleic-acid robotics. 

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A study of a simple marine animal suggests that the common ancestor of cnidarians and bilaterians may have had three germ layers instead of two.

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image: Mongolian Dinosaurs and the Poaching Problem

Mongolian Dinosaurs and the Poaching Problem

By | September 8, 2017

High-profile cases of poached fossils shine a light on the black market for paleontological specimens—and how scientists and governments are trying to stop it.

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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: 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: 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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