Science
What Is Ancient DNA and How Scientists Use It
Ancient DNA extracted from bones, teeth, and even permafrost sediments is rewriting human prehistory, revealing lost species, and opening unexpected d...
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175 articles with this tag
Science
Ancient DNA extracted from bones, teeth, and even permafrost sediments is rewriting human prehistory, revealing lost species, and opening unexpected d...
Health
A major randomized trial — the COSMOS study — found that a daily multivitamin slowed biological aging by 2.7 to 5.1 months, as measured by epigenetic...
Science
Scientists have identified ferric hydroxysulfate, a potentially brand-new mineral, in ancient sulfate-rich sediments on Mars. The discovery, published...
Nasal spray vaccines work by training the immune system at the exact point where viruses enter the body — the nose and airways — creating a line of de...
A landmark University of Arizona study in Science Advances finds scientists are identifying more than 16,000 new species every year — the fastest rate...
Science
When archaeologists uncover a prehistoric mass grave, a battery of modern forensic techniques—from isotopic analysis to ancient DNA—can reconstruct wh...
Science
Beneath the surface of Earth's known biodiversity hides a vast shadow catalogue of look-alike species, genetically distinct but visually indistinguish...
Health
T cell exhaustion is a state in which the immune system's most powerful cancer-fighting cells lose their killing ability. Understanding this process i...
Science
A landmark study of 1,300 golden retrievers found that the same genes driving canine anxiety, trainability, and aggression also shape human depression...
Health
The modern paleo diet promises to replicate what our Stone Age ancestors ate — but archaeology tells a far more complex story. Early humans were flexi...
Science
Just like tree rings record years of growth, microscopic lines inside dinosaur bones hold the key to understanding how long these giants lived and how...
Health
Israeli scientists have discovered that the non-intoxicating cannabis compounds CBD and CBG improve liver health through two cellular mechanisms: boos...
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