Red Blood Cells Activate Innate Immune System
Red Blood Cells Activate Innate Immune System
Researchers link the ability of the cells to bind and present DNA from pathogens and cell death to anemia, which is common in COVID-19, and immune activation.
Red Blood Cells Activate Innate Immune System
Red Blood Cells Activate Innate Immune System

Researchers link the ability of the cells to bind and present DNA from pathogens and cell death to anemia, which is common in COVID-19, and immune activation.

Researchers link the ability of the cells to bind and present DNA from pathogens and cell death to anemia, which is common in COVID-19, and immune activation.

human
<em>Alu </em>Leap May Explain Why Apes Don&rsquo;t Have Tails
Alu Leap May Explain Why Apes Don’t Have Tails
Annie Melchor | Sep 23, 2021
A transposable element that jumped into the TBXT gene, which is linked to tail morphology, appears to be to blame for our missing appendage.
Antibodies Stop Sperm in Their Tracks
Antibodies Stop Sperm in Their Tracks
Abby Olena | Aug 11, 2021
Engineered antibodies trap and immobilize human sperm in the reproductive tract of female sheep, paving the way for possible use as a nonhormonal contraceptive in people.
Giving Sweat the Respect It Deserves
Giving Sweat the Respect It Deserves
Sarah Everts | Jul 13, 2021
Not only is the humble fluid a boon for keeping humans cool, it also contains a wealth of biological information.
New Evidence Shows COVID-19 Was in US Weeks Before Thought
New Evidence Shows COVID-19 Was in US Weeks Before Thought
Abby Olena | Jun 17, 2021
Some of the blood specimens collected in the United States for the NIH’s All of Us research program starting on January 2, 2020, have antibodies against SARS-CoV-2.
Microbes in Human Fetuses Spur Immune Development
Microbes in Human Fetuses Spur Immune Development
Abby Olena | Jun 3, 2021
Researchers identify live bacteria in fetal guts, skin, lungs, and placentas that activate memory T cells, indicating that early exposure to microbes could help educate the developing immune system.
Blood Biomarkers Predict the Onset of Labor: Study
Blood Biomarkers Predict the Onset of Labor: Study
Abby Olena | May 6, 2021
Researchers integrated information from 45 protein, metabolite, and immune data points to identify a window two to four weeks before a pregnant person will go into labor.
Book Excerpt From <em>How to Be Animal</em>
Book Excerpt From How to Be Animal
Melanie Challenger | Apr 1, 2021
In Chapter 1, “The Indelible Stamp,” author Melanie Challenger addresses the idea of human exceptionalism.
Opinion: Facing Assumptions About the Duality of Human and Animal
Opinion: Facing Assumptions About the Duality of Human and Animal
Melanie Challenger | Apr 1, 2021
Since Darwin published his landmark work on natural selection, we’ve understood that we’re animals. But that doesn’t mean we really believe it.
Questions Raised About How an Ancient Hominin Moved
Questions Raised About How an Ancient Hominin Moved
Abby Olena | Feb 24, 2021
A new analysis of the hand of the 4.4-million-year-old partial skeleton of Ardipithecus ramidus indicates that the human ancestor may have climbed and swung through trees like chimpanzees do.
Organoids Repair Bile Ducts
Organoids Repair Bile Ducts
Abby Olena | Feb 18, 2021
Researchers determined that when introduced into damaged mouse or donated human livers, these lab-grown tissues could integrate into bile ducts and function normally.
Pregnant COVID-19 Patients
Pregnant COVID-19 Patients
The Scientist Staff | Jan 11, 2021
See a news report on a study of expectant mothers with SARS-CoV-2 infections.
Human Fetuses Can Contract SARS-CoV-2, but It&rsquo;s Rare
Human Fetuses Can Contract SARS-CoV-2, but It’s Rare
Ashley Yeager | Jan 1, 2021
Compared with Zika and cytomegalovirus, the virus that causes COVID-19 appears to have a harder time penetrating the placenta and moving to a woman’s unborn baby.
Y Chromosome from Early Modern Humans Replaced Neanderthal Y
Y Chromosome from Early Modern Humans Replaced Neanderthal Y
Jef Akst | Sep 24, 2020
A selective advantage may have led the modern human Y chromosome to sweep through the Neanderthal population after it was introduced via interbreeding more than 100,000 years ago.
Poor Sleep Linked with Future Amyloid-&beta; Build Up
Poor Sleep Linked with Future Amyloid-β Build Up
Abby Olena | Sep 11, 2020
Accumulation of the protein was more likely to be found in the brains of people who slept less well years earlier, according to a new study.
COVID-19 Is &ldquo;Very Different&rdquo; in Young Kids Versus Adults
COVID-19 Is “Very Different” in Young Kids Versus Adults
Abby Olena | Jun 16, 2020
A study of 34 children hospitalized with a coronavirus infection in China reveals that fever and coughing were common, but the type of lesions typically seen in the lungs of adults with COVID-19 were rare.
45,000-Year-Old Human Remains Found in Bulgarian Cave
45,000-Year-Old Human Remains Found in Bulgarian Cave
Jef Akst | May 12, 2020
A tooth and six bone fragments are the oldest confirmed Homo sapiens fossils in Europe.
Image of the Day: Vestibular System
Image of the Day: Vestibular System
Amy Schleunes | Mar 13, 2020
The inner ear cavity proves to be a useful tool for studying the evolutionary relationships among monkeys, apes, and humans.
It Takes Less Than 30 Days to Compost a Human Body
It Takes Less Than 30 Days to Compost a Human Body
Jef Akst | Feb 17, 2020
In a small trial of deceased volunteers, a Seattle-based company called Recompose demonstrates that its method for “natural organic reduction” of a human body completely breaks down soft tissue.
Ancient Human DNA Provides New Look at African History
Ancient Human DNA Provides New Look at African History
Jef Akst | Jan 22, 2020
Genomic information from four children who lived thousands of years ago in what is now Cameroon could shed light on the spread of the Bantu languages and on the history of present-day African populations.