An extinct version of the smallpox virus dating to 1,400 years ago prompts speculation about viruses becoming more lethal over…
Coffee, Caffeine, and Health
Coffee and tea are among the most popular beverages worldwide and contain substantial amounts of caffeine, making caffeine the most…
Metastatic Clear-Cell Sarcoma
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Audio Interview: Dexamethasone and Covid-19
The continuing spread of SARS-CoV-2 remains a Public Health Emergency of International Concern. What physicians need to know about transmission,…
How mosquitoes got their taste for human blood and what it means for the future
To predict and help control the spread of mosquito-borne illnesses, it’s important to know where and why certain mosquitoes got…
Reexamining the history of slavery through 23andMe African ancestry data
Researchers have compiled genetic data from consenting 23andMe research participants to paint a more complete picture of African ancestry in…
Cells react differently to genomic imprinting
We inherit half of our genes from each parent. For their function of most genes, it doesn’t matter which parent…
Researchers capture cell-level details of curved cornea
Researchers have, for the first time, acquired optical coherence tomography (OCT) images of the curved layers of a person’s cornea…
New CT scan method lowers radiation exposure
A CT scan technique that splits a full X-ray beam into thin beamlets can deliver the same quality of image…
Neanderthals may have had a lower threshold for pain
Pain is mediated through specialized nerve cells that are activated when potentially harmful things affect various parts of our bodies.…