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The Scientist

» ras, cell & molecular biology and evolution

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image: Bacteria Kamikazes

Bacteria Kamikazes

By | August 16, 2011

Researchers design a synthetic bacterium that kills the infectious microbe Pseudomonas aeruginosa, sacrificing itself in the process.

21 Comments

image: How Caffeine Fights Cancer

How Caffeine Fights Cancer

By | August 15, 2011

Caffeinated drinks may help prevent skin cancer by inhibiting a DNA repair pathway, thus killing potentially precancerous cells.

12 Comments

image: Designing Worm Proteins

Designing Worm Proteins

By | August 15, 2011

For the first time, researchers have engineered a multicellular organism that incorporates a synthetic amino acid into its proteins.

0 Comments

image: Oldest Known Wood

Oldest Known Wood

By | August 12, 2011

Two newly described fossils suggest that wood is some 10 million years older than previous believed.

3 Comments

image: Cancer Researcher Fabricated Data

Cancer Researcher Fabricated Data

By | August 11, 2011

Sheng Wang leaves the Boston University School of Medicine and agrees to retract two published studies.

60 Comments

image: Yeast Don't Need Oxygen

Yeast Don't Need Oxygen

By | August 11, 2011

Scientists discover that ancestors of the unicellular fungi can synthesize essential biomolecules with only trace levels of O2.

27 Comments

image: Why Have Twins?

Why Have Twins?

By | August 11, 2011

Mothers more likely to have twins have heavier, healthier non-twin babies, possibly explaining why twinning evolved.

6 Comments

image: Rewriting <em>E. coli</em>’s Genetic Code

Rewriting E. coli’s Genetic Code

By | August 5, 2011

Researchers use directed evolution to create a bacterial strain that substitutes a synthetic base for thymine.

6 Comments

image: Baruj Benacerraf Dies

Baruj Benacerraf Dies

By | August 3, 2011

The Nobel Prize winner who discovered the gene that encodes the major histocompatibility complex passes away at age 90.

0 Comments

image: Hungry Neurons = Hungry Person

Hungry Neurons = Hungry Person

By | August 2, 2011

Starving brain cells can stimulate hunger through a common cannibalistic act, possibly explaining why some dieters can’t resist temptation.

12 Comments

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