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» PCR, evolution and cell & molecular biology

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image: Ruffling Dinosaur Feathers

Ruffling Dinosaur Feathers

By | September 15, 2011

Dinosaur and early bird feathers trapped in amber around 80 million years ago provide unprecedented insight into the evolution of plumage.

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image: Early Bird Plumage

Early Bird Plumage

By | September 15, 2011

After rummaging through thousands of amber inclusions housed at the University of Alberta and the Royal Tyrrell Museum of Paleontology in Canada, researchers discovered 11 amber encased-feather fossils that provide the most detailed picture yet of early feather evolution.

3 Comments

image: Neurotransmitter-Regulated Immunity

Neurotransmitter-Regulated Immunity

By | September 15, 2011

Nerve signals control T cell responses, helping to explain inflammation and stroke.

6 Comments

image: Skipping Pluripotency

Skipping Pluripotency

By | September 14, 2011

Researchers are developing ways to convert mature somatic cells from one cell type to another, avoiding the tumor-causing pluripotent stage associated with stem cells.

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image: Behavior Brief

Behavior Brief

By | September 13, 2011

A round-up of recent discoveries in behavior research

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image: Obscure Organelle in Stem Cells and Cancer

Obscure Organelle in Stem Cells and Cancer

By | September 11, 2011

Cellular structures known as midbodies, formed during cell division, appear to accumulate in stem cells and cancer cells, hinting at a potential function for these once-disregarded organelles.

9 Comments

image: Ancient Jelly Simplifies Animal Tree?

Ancient Jelly Simplifies Animal Tree?

By | September 9, 2011

A newly discovered fossil of a nearly 600-million-year-old comb jelly ancestor may call for scientists to rethink early animal evolution.

3 Comments

image: The Mosaic Pre-Man

The Mosaic Pre-Man

By | September 8, 2011

Newly excavated Australopithecus sediba fossils exhibit a mixture of primitive and more modern features.

15 Comments

image: Bacteria Clean Up

Bacteria Clean Up

By | September 7, 2011

Hair-like extensions on microbes that remove uranium and other metals from contaminated groundwater could one day help clean up after radiation spills.

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image: Genetics Paper Retracted

Genetics Paper Retracted

By | September 2, 2011

Due to statistical errors, a Science paper claiming that mutation is responsible for genetic variation is retracted.

9 Comments

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