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The Debrief is a news site covering science, tech, and defense news, with an eye for the cutting edge technology of tomorrow. Science, Tech and Defense for the Rebelliously Curious.
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Scientists Say the “Lizard Brain” Is a Myth, But the Truth About How Our Brains Evolved May Be Even Stranger
4+ day, 4+ hour ago (1390+ words) One of the most popular explanations of human behavior has been that somewhere beneath our rational mind lurks an ancient “lizard brain”—a primitive evolutionary holdover responsible for instinct, emotion, fear, and aggression. There is just one problem. Neuroscientists have…...
New Genetic Evidence of an Ancient Killer Has Surfaced After Being Concealed in Medieval Texts for Centuries
1+ week, 4+ hour ago (446+ words) The story of a Medieval European plague is coming into focus through historic manuscripts, but not in the way you might think. Instead of providing mere historical accounts, the animal skins from which these Medieval volumes are constructed provide genetic…...
Hidden in Medieval Texts for Centuries, New Genetic Evidence of an Ancient Killer Has Surfaced
1+ week, 5+ hour ago (446+ words) The story of a Medieval European plague is coming into focus through historic manuscripts, but not in the way you might think. Instead of providing mere historical accounts, the animal skins from which these Medieval volumes are constructed provide genetic…...
Residents Near Former California Nuclear Site Report More Chronic Illness, New Study Finds
1+ week, 4+ day ago (551+ words) A new study published in Risk Analysis found that residents living within five miles of the former Santa Susana Field Laboratory reported autoimmune disorders at more than four times the rate of those living 11 to 15 miles away. Although SSFL was…...
900-Year-Old DNA Reveals Cacao Reached Ancient Georgia, Rewriting Chocolate’s History in North America
1+ week, 5+ day ago (684+ words) Nine centuries ago, people gathered at what is today recognized as the Etowah Indian Mounds site, located roughly 40 miles northwest of Atlanta, Georgia, for enormous community feasts. They ate, drank, and eventually discarded broken pottery into pits that would become…...
The Secret to Longevity and Destroying Cancer May Hide in Bat DNA
2+ week, 2+ day ago (479+ words) Bat DNA may hold clues to a long and healthy life, according to an international team of researchers. These small creatures grace the night skies with extremely long lifespans and low cancer rates—traits that may ultimately benefit humanity if…...
Immune Cells Revealed to Have a Unique Sense of Touch in New Research That Could Rewrite How We Understand Autoimmune Problems
3+ week, 5+ hour ago (519+ words) How immune cells develop and retain memory may work differently than medical scientists previously believed, according to an international team of researchers. The new work shows that T cells—white blood cells essential to immune function—can respond to the…...
Scientists Grew Human Brain Organoids for Years and Discovered They Keep Track of Time
3+ week, 1+ day ago (436+ words) Cell-culture brain models called organoids can be used to study far more advanced stages of neurodevelopment than researchers once imagined, according to new research. A team funded by the National Institutes of Health (NIH) reports that organoids were sustained for…...
Major Study Finds Hidden Order in the Psychedelic Brain That Challenges What We Thought About Psilocybin
3+ week, 4+ day ago (812+ words) Psychedelic drugs are often described as throwing the brain into a state where the usual rules begin to break down. Under psilocybin, neural networks that normally organize perception, thought, and our sense of self loosen, blurring the boundaries between the…...