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image: How Plants Evolved Different Ways to Make Caffeine

How Plants Evolved Different Ways to Make Caffeine

By | September 21, 2016

Caffeine-producing plants use three different biochemical pathways and two different enzyme families to make the same molecule.

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image: Giant Petri Dish Displays Evolution in Space and Time

Giant Petri Dish Displays Evolution in Space and Time

By | September 8, 2016

As E. coli bacteria spread over increasingly concentrated antibiotics, researchers discover novel evolutionary pathways that confer resistance.

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image: Using RNA to Amplify RNA

Using RNA to Amplify RNA

By | August 15, 2016

Researchers apply in vitro evolution to generate an RNA enzyme capable of copying and amplifying RNA.

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image: Primates, Gut Microbes Evolved Together

Primates, Gut Microbes Evolved Together

By | July 21, 2016

Symbiotic gut bacteria evolved and diverged along with ape and human lineages, researchers find. 

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image: Mysterious Eukaryote Missing Mitochondria

Mysterious Eukaryote Missing Mitochondria

By | May 12, 2016

Researchers uncover the first example of a eukaryotic organism that lacks the organelles.

5 Comments

image: Minimal Genome Created

Minimal Genome Created

By | March 24, 2016

Scientists build a living cellular organism with a genome smaller than any known in nature.

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image: Viral Remnants Help Regulate Human Immunity

Viral Remnants Help Regulate Human Immunity

By | March 3, 2016

Endogenous retroviruses in the human genome can regulate genes involved in innate immune responses.

2 Comments

image: Similar Data, Different Conclusions

Similar Data, Different Conclusions

By | February 23, 2016

By tweaking certain conditions of a long-running experiment on E. coli, scientists found that some bacteria could be prompted to express a mutant phenotype sooner, without the “generation of new genetic information.” The resulting debate—whether the data support evolutionary theory—is more about semantics than science.

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image: Constant Evolution

Constant Evolution

By | December 16, 2015

Bacteria growing in an unchanging environment continue to adapt indefinitely.

10 Comments

image: Rethinking the Rise of Mammals

Rethinking the Rise of Mammals

By | November 16, 2015

Mammals diversified 30 million years later than previously estimated, according to a new analysis of an ancient fossil.

3 Comments

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