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The Scientist

» Lamarck, evolution and microbiology

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image: There and Back Again

There and Back Again

By | February 1, 2012

A new study estimates the number of generations necessary to evolve from mouse-sized to elephantine, and shows that it’s quicker to get small.

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image: Federal Biosecurity Panel Speaks

Federal Biosecurity Panel Speaks

By | February 1, 2012

The US National Science Advisory Board for Biosecurity explains why it recommended redacting the details of studies reporting on a highly transmissible H5N1 strain.

6 Comments

image: Book Excerpt from <em>Pathological Altruism</em>

Book Excerpt from Pathological Altruism

By | February 1, 2012

In Chapter 1, editors Barbara Oakley, Ariel Knafo, and Michael McGrath introduce the concept of well-intentioned behaviors that go awry.

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image: Killing with Kindness

Killing with Kindness

By | February 1, 2012

Studying the evolution of altruistic behaviors reveals how knee-jerk good intentions can backfire.

30 Comments

image: Gain a Chromosome and Adapt

Gain a Chromosome and Adapt

By | January 30, 2012

Research in yeast shows that aneuploidy is both a consequence of and an adaptation to stress.

18 Comments

image: Ind. Senators Vote for Creationism

Ind. Senators Vote for Creationism

By | January 27, 2012

A committee in the Indiana state legislature OKs a bill aimed at getting creationism into public school science classes.

40 Comments

image: The Making of a Trait

The Making of a Trait

By | January 26, 2012

Populations of organisms acquire beneficial traits repeatedly and rapidly through co-evolution with other species and through gene interaction.

9 Comments

image: Arsenic-based Life Challenged Again

Arsenic-based Life Challenged Again

By | January 24, 2012

An attempt to regrow the infamous GFAJ-1 bacteria, reported to incorporate arsenic into its DNA backbone, has failed.

9 Comments

image: Evolving Multicellularity

Evolving Multicellularity

By | January 16, 2012

Using an artificial selection paradigm, researchers watch as unicellular yeast evolve into snowflake-like clusters with distinct multicellular characteristics.

30 Comments

image: Killer TB Hits India

Killer TB Hits India

By | January 16, 2012

An incurable form of tuberculosis has turned up on the subcontinent.

9 Comments

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