We all grow old and die, but we still don't know why. Diet, exercise and stress all affect our lifespan, but the underlying processes that drive aging remain a mystery. Often, we measure age by counting our years since birth ...
Biotechnology
Sep 29, 2022
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53
Both cancer cells and the chemicals used to make bombs can foil detection because they appear in trace amounts too small for conventional detection techniques. Tel Aviv University has developed the ultimate solution: a molecule ...
Analytical Chemistry
Mar 30, 2009
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(Phys.org)—Researchers have made a genetic analysis of the microbes living deep inside a deposit of Marcellus Shale at a hydraulic fracturing, or "fracking," site, and uncovered some surprises.
Environment
Dec 3, 2012
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Millions of people around the world drink coffee every day. The beverage contains a large number of bioactive substances, and its health effects on the human metabolism are therefore frequently subjects of scientific studies. ...
Biochemistry
Mar 4, 2024
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45
(PhysOrg.com) -- Microsponges derived from seaweed may help diagnose heart disease, cancers, HIV and other diseases quickly and at far lower cost than current clinical methods. The microsponges are an essential component ...
Bio & Medicine
Feb 9, 2011
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0
Sixty-six million years ago an asteroid smashed into Earth releasing energy equivalent to 100 million nuclear bombs and creating a massive dust cloud that blocked out the sun for more than a year.
Earth Sciences
May 11, 2016
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78
Researchers have created a system that can detect and quantify small and rare biological molecules that are important for detecting disease early.
Bio & Medicine
May 1, 2019
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28
The widely known PSA blood test for prostate cancer in men may get a second life as a much-needed new test for breast cancer, the most common form of cancer in women worldwide, scientists are reporting in a new study in the ...
Analytical Chemistry
Jul 13, 2011
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0
Searching for biomarkers that can warn of diseases such as cancer while they are still in their earliest stage is likely to become far easier thanks to an innovative biosensor chip developed by Stanford University researchers.
Bio & Medicine
Oct 13, 2009
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0
When exactly did oxygen first appear in Earth's atmosphere? Although many physical and chemical processes are thought to be responsible for that profound transformation, scientists have tried to answer at least part of that ...
Cell & Microbiology
May 6, 2010
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