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» E. coli and evolution

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image: Capsule Reviews

Capsule Reviews

By Bob Grant | April 1, 2015

Junk DNA, Cuckoo, Sapiens, and Cool


image: Ebola Mutation Rate Quibble

Ebola Mutation Rate Quibble

By Jef Akst | March 27, 2015

A study suggests that the virus may not be evolving as quickly as a previous group estimated.


image: Quorum-Sensing Molecule Modifies Gut Microbiota

Quorum-Sensing Molecule Modifies Gut Microbiota

By Anna Azvolinsky | March 19, 2015

Increasing the abundance of a chemical some microbes use to communicate with one another can help reinstate beneficial bacterial populations in the guts of antibiotic-treated mice. 

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image: Spinning Recombinant Spider Silk

Spinning Recombinant Spider Silk

By Jenny Rood | March 6, 2015

Scientists engineer E. coli to produce artificial spider silk.


image: Oldest <em>Homo</em> Remains Yet Found

Oldest Homo Remains Yet Found

By Ruth Williams | March 4, 2015

A newly discovered 2.8 million-year-old jawbone is thought to be that of a direct human ancestor.


image: A Deathly Pallor

A Deathly Pallor

By Carina Storrs | March 1, 2015

Global warming could lead to lighter-colored insects with waning immune defenses.


image: Capsule Reviews

Capsule Reviews

By Bob Grant | March 1, 2015

Evolving Ourselves, The Man Who Touched His Own Heart, Bats, and The Invaders

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image: Drunk Monkeys

Drunk Monkeys

By Jef Akst | March 1, 2015

UC Berkeley biologist Robert Dudley explains his "drunken monkey" hypothesis for how humans developed a taste for alcohol.


image: Falling Out of the Family Tree

Falling Out of the Family Tree

By Jef Akst | March 1, 2015

A mutation in an ethanol-metabolizing enzyme arose around the time that arboreal primates shifted to a more terrestrial lifestyle, perhaps as an adaptation to eating fermented fruit.

1 Comment

image: Evolutionary Rewiring

Evolutionary Rewiring

By Ruth Williams | February 26, 2015

Strong selective pressure can lead to rapid and reproducible evolution in bacteria.


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