the American Journal of Human Genetics
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How many generations of humans have there been?
How many generations of humans have there been? Modern humans have been around 300,000 years. How many generations is that?
One fat helped pancreatic cancer grow while another cut disease in half
One fat helped pancreatic cancer grow while another cut disease in half - Date: - June 2, 2026 - Source: - Yale School of Medicine - Summary: - A surprising new study suggests that when it comes to pancreatic cancer, the kind of fat you eat may matter more than how much. Researchers found that oleic acid—the main fat in olive oil and several other common foods—sped up tumor growth in mice predisposed to pancreatic cancer, while omega-3-rich fats from fish oil dramatically slowed disease...
Mutation-dependent responses to sleep and exercise in clonal haematopoiesis
Abstract Clonal haematopoiesis (CH) activates inflammation and increases the risk of atherosclerosis1,2. Whether lifestyle alters CH clone expansion or the phenotypic programming of CH mutant cells, thereby affecting atherosclerosis, is unknown. Here, in humans and mice and across mutations in Jak2, Tet2, Trp53 and Dnmt3a, we demonstrate mutation-dependent responses to sleep and exercise in CH and show that mutant cells are uniquely sensitive to lifestyle.
Mitochondria directly interact with the nuclear pore complex
Abstract Mitochondria regulate cellular processes through direct and indirect interactions with other organelles. A well-studied example has been contact with the endoplasmic reticulum at mitochondrial-associated endoplasmic reticulum membranes1, which control pathways including redox and calcium homeostasis2,3. Recent studies have also reported direct mitochondria–nuclear membrane contacts in cancer cells and yeast that promote pro-survival signalling4,5.
2,000 years ago in Scotland, people removed a corpse's brain and fashioned the arm bones into tools
2,000 years ago in Scotland, people removed a corpse's brain and fashioned the arm bones into tools A new analysis of 2,000-year-old skeletons found in northern Scotland has revealed an unusual funeral ritual involving the manipulation of dead bodies. About 2,000 years ago in the far North of Scotland, a woman was buried after her brain was scooped out and her bones were whittled into tools, a new analysis reveals. The highly unusual burial is giving archaeologists new insight into social...
Human-Like Neural Nets by Catapulting
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The U.S. fought the flesh-eating screwworm for decades. Now it must begin again.
The United States spent more than half a century and hundreds of millions of dollars driving the flesh-eating New World screwworm as far from its borders as possible. The species can eat the tissue of any warm-blooded animal, but it’s a particular threat to livestock and is often fatal for cattle. Some environmentally minded bioethicists have openly debated whether it would be moral to deliberately drive the screwworm into extinction.
Google wants to release 64 million bacteria-riddled mosquitoes across California and Florida. Here’s why scientists are enthusiastic.
Google wants to release 64 million bacteria-riddled mosquitoes across California and Florida. Here’s why scientists are enthusiastic. Google has applied for an experimental mosquito release permit to deploy millions of non-biting southern house mosquitoes that it has infected with the bacterium Wolbachia pipientis, in an effort to reduce mosquito-borne diseases like West Nile virus.
Should we store Mars samples on the moon to keep alien germs away from Earth?
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The Painful Truth About Long Covid
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