Discovering the step-by-step details of the path embryonic cells take to develop into their final tissue type is the clinical goal of many stem cell biologists. To that end, Kenneth S. Zaret, PhD, professor of Cell and Developmental ...
Cell & Microbiology
May 19, 2011
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A detailed comparison of DNA and RNA in human cells has uncovered a surprising number of cases where the corresponding sequences are not, as has long been assumed, identical. The RNA-DNA differences generate proteins that ...
Biotechnology
May 19, 2011
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Scientists at Penn State University have achieved a major milestone in the attempt to assemble, in a test tube, entire chromosomes from their component parts. The achievement reveals the process a cell uses to package the ...
Cell & Microbiology
May 19, 2011
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Paleontologists have often wondered why mammals—including humans—evolved to have larger brains than other animals. A team of paleontologists now believe that large brains may have developed in mammals to facilitate ...
Archaeology
May 19, 2011
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(PhysOrg.com) -- ESO’s Very Large Telescope (VLT) has teamed up with NASA’s Cassini spacecraft to study a rare storm in the atmosphere of the planet Saturn in more detail than has ever been possible before. The ...
Space Exploration
May 19, 2011
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(PhysOrg.com) -- In the computer displays of medical equipment in hospitals and clinics, liquid crystal technologies have already found a major role. But a discovery reported from the University of Wisconsin-Madison suggests ...
Materials Science
May 19, 2011
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Do scientists' job locations have any impact on the way their work spreads? Or, in today’s highly networked world, does research flow around the globe without regard to its point of origin? According to a study co-authored ...
Other
May 19, 2011
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(PhysOrg.com) -- The humble alga, hated by boaters and pool owners, may someday help provide us with the raw machinery to power our appliances.
Materials Science
May 19, 2011
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(PhysOrg.com) -- Chemical engineers are responsible for numerous scientific advances, ranging from affordable pharmaceuticals and super-strong synthetic fibers to environmental cleanup and recycling technologies. Most people ...
Engineering
May 19, 2011
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(PhysOrg.com) -- When NASA's Opportunity Mars rover uses an onboard navigation capability during backward drives, it leaves a distinctive pattern in the wheel tracks visible on the Martian ground.
Space Exploration
May 19, 2011
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