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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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Matching the immunological characteristics of donor retinal cells to those of the recipient can reduce the chance of rejection.

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image: Neonatal Gut Bacteria Might Promote Asthma

Neonatal Gut Bacteria Might Promote Asthma

By | September 12, 2016

Byproducts of gut microbes in some 1-month–old babies trigger inflammation that is linked to later asthma development, researchers find.

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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: One Receptor, Two Ligands, Different Responses

One Receptor, Two Ligands, Different Responses

By | August 31, 2016

Host and bacterial ligands that interact with the same cell-surface receptor induce different activities in human macrophages. 

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image: One Antigen Receptor Induces Two T cell Types

One Antigen Receptor Induces Two T cell Types

By | August 26, 2016

Precursor T cells bearing the same antigen receptor adopt two different fates in mice.

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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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A 3-D carbon nanotube mesh enables rat spinal tissue sections to reconnect in culture.

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Mismatched ancestral origins of mitochondrial and nuclear DNA boost mouse health.

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