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image: Week in Review: October 17–21

Week in Review: October 17–21

By | October 21, 2016

Report finds that pathologist involved in anonymous defamation case committed multiple acts of misconduct; growing eggs from stem cells; neutrophils’ role in metastasis; convergent evolution in birds

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image: Single-Celled Life Primed to Go Multicellular

Single-Celled Life Primed to Go Multicellular

By | October 17, 2016

The unicellular ancestor of animals may have harbored some of the molecular tools that its many-celled descendants use to coordinate and direct cell differentiation and function, scientists show.

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image: Black Widow Secrets in Phage Genome

Black Widow Secrets in Phage Genome

By | October 12, 2016

In the DNA of the WO phage, which infects arthropod-inhabiting Wolbachia, researchers find sequences related to a black widow spider’s toxin and other animal genes.

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image: Lateral Gene Transfer in <em>Drosophila</em>

Lateral Gene Transfer in Drosophila

By | October 1, 2016

DNA transfer is a regular event among bacteria, and research over the past decade has shown that microbes can also shuttle their genetic material to multicellular hosts.

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image: Bacteria and Humans Have Been Swapping DNA for Millennia

Bacteria and Humans Have Been Swapping DNA for Millennia

By | October 1, 2016

Bacteria inhabit most tissues in the human body, and genes from some of these microbes have made their way to the human genome. Could this genetic transfer contribute to diseases such as cancer?

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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: Stingrays Chew Too

Stingrays Chew Too

By | September 15, 2016

Researchers observe stingrays moving their jaws to grind up prey, a behavior thought to be restricted to mammals.

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image: Week in Review: September 5–9

Week in Review: September 5–9

By | September 9, 2016

Environmental magnetite in the human brain; prion structure takes shape; watching E. coli evolve in real time; learning from others’ behavior 

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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: Promoting Protein Partnerships

Promoting Protein Partnerships

By | September 1, 2016

Scientists generate new protein-protein interactions at an impressive PACE.

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