Early detection of prostate cancer, one of the most common types of cancer in men, is often achieved with PSA tests. However, this blood test for prostate-specific antigens gives many false positive results, causing unnecessary ...
Biochemistry
Jul 20, 2022
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(PhysOrg.com) -- Agricultural Research Service (ARS) scientists have discovered why Holsteins—bred to produce more milk—are less fertile than before breeding efforts were stepped up to increase dairy production: It's ...
Biotechnology
Oct 5, 2009
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A University of California, Davis, microbiologist and a professional cheerleader are teaming up with "citizen scientists" to send microbes to the International Space Station and study their growth.
Space Exploration
Dec 7, 2012
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(PhysOrg.com) -- An international team of researchers has developed a new DNA technology which makes it possible to perform reliable analyses on DNA quantities that are a thousand times smaller than was previously the case. ...
Biotechnology
Jun 17, 2011
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MBARI's Division of Marine Operations, under an agreement with the National Oceanic and Atmospheric Administration (NOAA), sent a high-tech robotic submersible to the oily waters of the Gulf of Mexico. The goal is to collect ...
Earth Sciences
May 28, 2010
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(PhysOrg.com) -- A 10-year study of mule and black-tailed deer has found unique subspecies created by the animals' responses to climate change thousands of years ago.
Evolution
Mar 26, 2009
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The U.S. Army Corps of Engineers says it has more evidence indicating that the dreaded Asian carp is in Lake Michigan, making the announcement hours after the U.S. Supreme Court decided not to force Illinois to do more to ...
Ecology
Jan 22, 2010
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(PhysOrg.com) -- The genome sequence of the saltwater crocodile has been completed by an international collaboration of scientists, including researchers from the University of Sydney.
Biotechnology
Feb 14, 2012
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A distinctive echolocation frequency led to the discovery of a new species of bat within the genus Hipposideros. Although this bat is similar to the species Hipposideros armiger, differences in acoustics, size, and DNA between ...
Plants & Animals
Feb 21, 2012
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Forensic science is under attack. A string of recent collapsed trials and quashed convictions that relied on forensic evidence have led some experts to say the field is in crisis.
Analytical Chemistry
Jul 10, 2019
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