Infections with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes coronavirus disease 2019 (Covid-19), now number more…
Covid-19 Vaccine Trials and Incarcerated People — The Ethics of Inclusion
The most severe Covid-19 outbreaks in the United States are no longer occurring in nursing homes or meat-packing plants, but…
Learning about End-of-Life Care from Grandpa
Grandpa married my biologic grandmother when I was 4 years old, after the deaths of their first spouses. A quarter-century…
Turbulent era sparked leap in human behavior, adaptability 320,000 years ago
The first analysis of a sedimentary drill core representing 1 million years of environmental history in the East African Rift…
Observed COVID-19 variability may have underlying molecular sources
People have different susceptibilities to SARS-CoV-2, the virus behind the COVID-19 pandemic, and develop varying degrees of fever, fatigue, and…
DNA: At our cores, we’re all strengthened by ‘dumbbells’
Scientists detail the structure of dumbbell-like sequences in DNA during interphase that suggest several unseen aspects of chromosome configuration and…
Genome archeologists discover path to activate immune response against cancer
Ancient embedded elements in our DNA from generations past can activate a powerful immune response to kill cancer cells like…
Tumor DNA in spinal fluid could help doctors better monitor childhood brain cancer
Researchers have demonstrated that a new liquid biopsy approach overcomes traditional barriers to quickly and efficiently diagnose and monitor high-grade…
Delivering proteins to testes could someday treat male infertility
According to the Mayo Clinic, about 15% of couples are infertile, and male infertility plays a role in over one-third…
Chili-shaped device could reveal just how hot that pepper is
Some people love spicy food — the hotter, the better. Others go out of their way to avoid the palate-singeing…