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Cell & Microbiology news

Stem cells make similar decisions to humans

Scientists at the University of Copenhagen have captured thousands of progenitor cells of the pancreas on video as they made decisions to divide and expand the organ or to specialize into the endocrine cells that regulate ...

Mar 25, 2015
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A single-cell breakthrough

The human gut is a remarkable thing. Every week the intestines regenerate a new lining, sloughing off the equivalent surface area of a studio apartment and refurbishing it with new cells. For decades, researchers ...

Technology helps unlock secrets of rare bacteria

In the last decade, the study of microbes in soil and water has advanced through new DNA technology. Through this, studies of marine waters have found many types of astonishingly rare bacteria in the oceans ...

DARPA seeks new positioning, navigation, timing solutions

Lights out in Australia as Earth Hour kicks off

Dairy farms asked to consider breeding no-horn cows

Future US Navy: Robotic sub-hunters, deepsea pods

Evolution of the back-to-belly axis

Most animals have a dorso-ventral (back-to-belly) body axis, which determines for instance the localized position of the central nervous system, dorsal in humans, ventral in insects. Surprisingly, despite ...

Researchers unravel secrets of shape-shifting bacteria

Sixty years ago, Nobel Prize-winning scientist Joshua Lederberg first described a biological mystery. He showed how bacteria could lose the cell walls that define their shapes, potentially becoming less visible ...

Molecular ruler sets bacterial needle length

When a salmonella bacterium attacks a cell, it uses a nanoscopic needle to inject it with proteins to aid the infection. If the needle is too short, the cell won't be infected. Too long, and the needle breaks. ...

Scientists find DNA is packaged like a yoyo

To pack two meters of DNA into a microscopic cell, the string of genetic information must be wound extremely carefully into chromosomes. Surprisingly the DNA's sequence causes it to be coiled and uncoiled ...

OSKM stoichiometry determines iPS cell reprogramming

Researchers at Kyoto University's Center for iPS Cell Research and Application discover a simple way to increase the production of induced pluripotent stem cells. A major hurdle in reprogramming science is ...

Third Minnesota turkey farm hit by bird flu outbreak

Getting a critical edge on plutonium identification

Is the universe finite or infinite?

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