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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: Second Chance for Lost Galapagos Tortoises?

Second Chance for Lost Galapagos Tortoises?

By | 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 | 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: Ready, Set, Grow

Ready, Set, Grow

By | September 1, 2017

How to culture stem cells without depending on mouse feeder cells

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image: Researchers Identify Clue to Asymmetric Cell Division

Researchers Identify Clue to Asymmetric Cell Division

By | September 1, 2017

Phosphorylation of a surface protein on endosomes is key to the organelles’ uneven distribution in daughter cells.

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image: Infographic: Why Not All Cell Divisions Are Equal

Infographic: Why Not All Cell Divisions Are Equal

By | September 1, 2017

Phosphorylation of a protein called Sara found on the surface of endosomes appears to be a key regulator of asymmetric splitting in fruit flies.

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image: FDA Goes After Two Stem Cell Clinics

FDA Goes After Two Stem Cell Clinics

By | August 29, 2017

The agency raided one that was using a stem cell-smallpox vaccine combo, and sent a warning to another to obey best practices.

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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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