The Scientist

» mammals

Most Recent

image: Source of Scales, Feathers, Hair

Source of Scales, Feathers, Hair

By | June 27, 2016

Reptiles, birds, and mammals all produce tiny, bump-like structures during development.   

1 Comment

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

image: Lost Y Chromosome Genes Found on Autosomes

Lost Y Chromosome Genes Found on Autosomes

By | May 27, 2015

Mammalian Y chromosome genes with important functions are transferred to autosomal chromosomes more often than previously thought, a study shows.

3 Comments

image: Prehistoric Critters Change View of Mammal Evolution

Prehistoric Critters Change View of Mammal Evolution

By | September 12, 2014

Three extinct squirrel-like species were identified from Jurassic-era fossils in China.

1 Comment

image: Female Pigs May Sense Sex of Sperm

Female Pigs May Sense Sex of Sperm

By | May 21, 2014

The oviducts of pigs exhibit different gene expression profiles depending on their exposure to sperm with either an X or a Y chromosome, a study shows. 

3 Comments

image: Making Sense of the Narwhal Tusk

Making Sense of the Narwhal Tusk

By | March 18, 2014

Emerging evidence suggests that the marine mammal’s long front tooth might help the narwhal sense environmental changes.  

1 Comment

image: Clocks Versus Rocks

Clocks Versus Rocks

By | January 14, 2014

A new analysis suggests that placental mammals originated while dinosaurs were dominant, contradicting a recent high-profile study.

3 Comments

image: Fighting Viruses with RNAi

Fighting Viruses with RNAi

By | October 10, 2013

The long-debated issue of whether mammals can use RNA interference as an antiviral defense mechanism is finally put to rest.

0 Comments

image: Surprising Similarities in Divergent Genomes

Surprising Similarities in Divergent Genomes

By | September 4, 2013

Researchers find genome-wide evidence of convergent evolution between bats and dolphins.

3 Comments

image: Ancient Mammalian Fossil Found

Ancient Mammalian Fossil Found

By | August 16, 2013

The chipmunk-sized Rugosodon eurasiaticus is the oldest representative of a prolific and long-lasting mammalian lineage.

0 Comments

Popular Now

  1. Gut Microbes Linked to Neurodegenerative Disease
  2. Opinion: WHO’s Silence on Cannabis
  3. Top 10 Innovations 2016
    Features Top 10 Innovations 2016

    This year’s list of winners celebrates both large leaps and small (but important) steps in life science technology.

  4. Image of the Day: Parting Ways
    Image of the Day Image of the Day: Parting Ways

    The Allen Institute for Cell Science releases the first public collection of human induced pluripotent stem cells that have been fluorescently tagged using CRISPR.

Rockland