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» evolution, genetics & genomics and cell & molecular biology

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image: Genetic Diversity in the Brain

Genetic Diversity in the Brain

By | October 31, 2013

Neurons within a person’s brain exhibit striking variations in DNA copy number.

5 Comments

image: Genetic Test for Autism Refuted

Genetic Test for Autism Refuted

By | October 25, 2013

Replication attempt shows that earlier claims about a genetic test for autism were overblown.

2 Comments

image: Evolving Pain Resistance

Evolving Pain Resistance

By | October 24, 2013

Grasshopper mice harbor mutations in a pain-transmitting sodium channel that allow them to prey on highly toxic bark scorpions.

2 Comments

image: Genome Digest

Genome Digest

By | October 23, 2013

What researchers are learning as they sequence, map, and decode species’ genomes  

0 Comments

image: Fossilized Mosquito Blood Meal

Fossilized Mosquito Blood Meal

By | October 14, 2013

Researchers have discovered a 46-million-year-old female mosquito containing the remnants of the insect’s final blood meal.

1 Comment

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: Mislabeled Microbes Cause Two Retractions

Mislabeled Microbes Cause Two Retractions

By | October 10, 2013

Two papers on plant immunity have been retracted, and questions remain about others with similar results. 

9 Comments

image: Different Cancers, Same Mutations

Different Cancers, Same Mutations

By | September 26, 2013

Scientists document common genetic alterations in cancers of different origins.

4 Comments

image: Inducing Pluripotency Every Time

Inducing Pluripotency Every Time

By | September 18, 2013

By removing a single gene, adult cells can be reprogrammed into a stem-like state with nearly 100 percent efficiency.

3 Comments

image: Behavior Brief

Behavior Brief

By | September 12, 2013

A round-up of recent discoveries in behavior research

0 Comments

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