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image: <em>Drosophila</em>’s New Genes

Drosophila’s New Genes

By Jef Akst | January 23, 2014

An analysis of the transcriptomes of several fruit fly strains reveals dozens of possible de novo genes in each.

6 Comments

image: The Shared Perfumes of Queens

The Shared Perfumes of Queens

By Ed Yong | January 16, 2014

Ant, bee, and wasp queens emit a similar class of pheromones that sterilize their workers, hinting at a shared ancestry for these chemicals.

1 Comment

image: Clocks Versus Rocks

Clocks Versus Rocks

By Ed Yong | January 14, 2014

A new analysis suggests that placental mammals originated while dinosaurs were dominant, contradicting a recent high-profile study.

3 Comments

image: Human-Pathogen Coevolution

Human-Pathogen Coevolution

By Jef Akst | January 13, 2014

Helicobacter pylori strains that share ancestry with their human hosts are less likely to cause severe disease.

3 Comments

image: Settlement Signal

Settlement Signal

By Abby Olena | January 9, 2014

A marine bacterium generates contractile structures that are essential for the metamorphosis of a tubeworm.

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image: On The Origin of Flowers

On The Origin of Flowers

By Ed Yong | December 19, 2013

The genome of Amborella trichopoda—the sister species of all flowering plants—provides clues about this group’s rise to power.

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image: The Mating Habits of Early Hominins

The Mating Habits of Early Hominins

By Ruth Williams | December 18, 2013

A newly sequenced Neanderthal genome provides insight into the sex lives of human ancestors.

3 Comments

image: How Bacteria Evade the Immune System

How Bacteria Evade the Immune System

By Laasya Samhita | December 12, 2013

Escherichia coli can quickly evolve to resist engulfment by macrophages, scientists have found.

4 Comments

image: A New Basal Animal

A New Basal Animal

By Ruth Williams | December 12, 2013

Comb jellies take their place on the oldest branch of the animal family tree.  

4 Comments

image: Review: <em>The Origin of Species</em>

Review: The Origin of Species

By Jef Akst | November 22, 2013

The Howard Hughes Medical Institute this week released three short films to teach students about evolution and speciation.

4 Comments

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