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image: How Poison Frogs Avoid Poisoning Themselves

How Poison Frogs Avoid Poisoning Themselves

By Abby Olena | 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: Second Chance for Lost Galapagos Tortoises?

Second Chance for Lost Galapagos Tortoises?

By Bob Grant | September 14, 2017

Researchers are trying to recreate an extinct species of the lumbering reptiles by breeding closely related species that contain traces of the lost lineage’s DNA.

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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 David Moscato | 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 Shawna Williams | 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: Scientists Fear DACA Cancellation

Scientists Fear DACA Cancellation

By Jef Akst and Shawna Williams | September 4, 2017

Some researchers are at risk of job loss and even deportation if Trump decides to end a program that allows undocumented immigrants who arrived in the U.S. as children to obtain work permits. 

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image: Baby on Board

Baby on Board

By Kerry Grens | September 1, 2017

Many scientific conferences offer child care options that allow researchers to bring their families along for the trip.

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image: Global Patterns of Human Epigenetic Variation

Global Patterns of Human Epigenetic Variation

By Ashley Yeager | August 28, 2017

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

5 Comments

image: Pollution Drives Marine Reptile Color Change

Pollution Drives Marine Reptile Color Change

By Bob Grant | August 11, 2017

The turtle-headed sea snake is losing its stripes, and researchers suggest that the change reflects adaptation to fouled oceans.

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image: CRISPR Corrects RNA-based Disease Defects

CRISPR Corrects RNA-based Disease Defects

By Kerry Grens | August 10, 2017

In human cells, researchers deploy the genome editor to snip out toxic repetitive sequences.

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