The Scientist

» ras, evolution and microbiology

Most Recent

The state’s board of education approves new standards that ease up on having students dig into scientific issues relevant to “intelligent design” arguments.

1 Comment

A mouse study reveals a causal link between changes in intestinal microbiota and increasing inflammation as the rodents age.

0 Comments

Mice exposed to low doses of penicillin in utero or as young pups exhibited long-term behavioral differences not seen in their non-exposed counterparts, according to a study.

0 Comments

image: New Giant Virus Group Reported

New Giant Virus Group Reported

By | April 6, 2017

A genomic analysis of “Klosneuviruses” suggests that they evolved from small viruses that accumulated genetic material over time, but not all virologists are convinced. 

0 Comments

Recolonizing middle-aged animals with bacteria from younger ones kept killifish alive longer than usual, researchers report.

0 Comments

image: Study: Diet Contributes to Brain Size

Study: Diet Contributes to Brain Size

By | March 30, 2017

The results of a historical primate behavior analysis suggest that species with fruit-filled diets evolved larger brains.

1 Comment

image: In Certain Social Bees, Gut Microbiomes Follow Phylogeny

In Certain Social Bees, Gut Microbiomes Follow Phylogeny

By | March 29, 2017

Corbiculate bees and their gut-dwelling microbes have been coevolving since the social species evolved from their solitary ancestors around 80 million years ago, scientists suggest. 

1 Comment

image: Dinosaur Phylogenetic Tree Shake-Up

Dinosaur Phylogenetic Tree Shake-Up

By | March 24, 2017

An analysis of 74 dinosaur species leads a group of researchers to reorganize the extinct animals’ evolutionary history.

0 Comments

image: Inflammation Drives Gut Bacteria Evolution

Inflammation Drives Gut Bacteria Evolution

By | March 16, 2017

Viruses within Salmonella rapidly spread genes throughout the bacterial population during a gut infection, scientists show.

2 Comments

image: Sharks May Have Evolved from Acanthodians

Sharks May Have Evolved from Acanthodians

By | March 14, 2017

Analysis of an ancient shark fossil provides the strongest evidence to date that modern sharks derive from a class of 400 million–year-old bony fish.

0 Comments

Popular Now

  1. Optimism for Key Deer After Hurricane Irma
  2. Do Microbes Trigger Alzheimer’s Disease?
  3. Decoding the Tripping Brain
  4. Tattoo Ink Nanoparticles Persist in Lymph Nodes
    The Nutshell Tattoo Ink Nanoparticles Persist in Lymph Nodes

    Analysis of the bodies of deceased individuals can’t determine what effect these tattoo remnants have on lymph function, but researchers suggest dirty needles aren’t the only risk of the age-old practice.

AAAS