News tagged with proliferation

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'Quadruple helix' DNA discovered in human cells

In 1953, Cambridge researchers Watson and Crick published a paper describing the interweaving 'double helix' DNA structure - the chemical code for all life. Now, in the year of that scientific landmark's 60th Anniversary, ...

Jan 20, 2013
4.5 / 5 (57) 18 | with audio podcast

Planting a new perspective on climate research

(Phys.org) —A study on the mechanisms of how plants respond and adapt to elevated levels of carbon dioxide (CO2) and higher temperatures has opened a new perspective in climate research. Lead researcher ...

Aug 02, 2013
3.8 / 5 (6) 2 | with audio podcast

A secret to making macrophages (w/ Video)

Biologists at the California Institute of Technology (Caltech) have worked out the details of a mechanism that leads undifferentiated blood stem cells to become macrophages—immune cells that attack bacteria ...

Jul 18, 2013
5 / 5 (4) 0 | with audio podcast

How birds lost their penises

In animals that reproduce by internal fertilization, as humans do, you'd think a penis would be an organ you couldn't really do without, evolutionarily speaking. Surprisingly, though, most birds do exactly ...

Jun 06, 2013
4.5 / 5 (6) 0 | with audio podcast

DNA damage: The dark side of respiration

(Phys.org) —Adventitious changes in cellular DNA can endanger the whole organism, as they may lead to life-threatening illnesses like cancer. Researchers at LMU now report how byproducts of respiration cause mispairing ...

May 22, 2013
4.5 / 5 (2) 0 | with audio podcast

Solving stem cell mysteries

The ability of embryonic stem cells to differentiate into different types of cells with different functions is regulated and maintained by a complex series of chemical interactions, which are not well understood. Learning ...

Oct 26, 2012
5 / 5 (3) 0 | with audio podcast