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The Y chromosome is home to surprising jumping genes
The Y chromosome is home to surprising jumping genes Stephanie Baum Scientific Editor Robert Egan Associate Editor The humble Y chromosome may be the smallest chromosome in the mammalian genome (and getting even smaller), but it is mighty: Genes on the Y chromosome are critical for fertility in males. In a new study in the journal Current Biology, researchers at the University of Michigan Medical School have studied deer mice to outline how the Y chromosome defends itself against decay by...
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...
3 new Ebola vaccines are being fast-tracked amid the current outbreak — when could they be ready?
3 new Ebola vaccines are being fast-tracked amid the current outbreak — when could they be ready? The Bundibugyo virus driving the current Ebola outbreak has no approved vaccine, but researchers are leveraging decades of vaccine innovation in an effort to change that. The Ebola outbreak in Central Africa was declared a public health emergency of international concern in May, and since then, over 900 suspected cases and 200 deaths have been reported in the Democratic Republic of the Congo...
Genetically modified hookworms produce and deliver therapeutics
Genetically modified hookworms produce and deliver therapeutics Stephanie Baum Scientific Editor Robert Egan Associate Editor Hookworms, intestinal parasites that infect hundreds of millions of people in under-resourced tropical regions around the globe, have evolved to survive inside the human gut for years, secreting molecules that enable coexistence with their hosts. Now, researchers at Washington University School of Medicine in St. Louis have harnessed that biological mechanism for...
Whole-genome duplication shaped cell-type evolution in the vertebrate brain
Abstract The complex brains of vertebrates have more cell types than those of their closest relatives. Whole-genome duplications (WGDs) occurred during early vertebrate evolution1, but it is unclear whether the duplicated genes (ohnologues) facilitated cell-type evolution. Here using brain single-cell transcriptomes from five chordates—human2, mouse3, lizard4, lamprey5 and amphioxus—we report that many cell-type families with conserved core transcription factors in vertebrates do not show...
Anguished Parents, Crying Doctors: Life Amid Utah’s Measles Outbreak
Ben Dowse hadn’t expected to treat measles when he became a doctor, but there he was, examining a newborn exposed to the virus in the womb. The infected mother had given birth just hours earlier. The hospital had alerted Dowse to the case before delivery, and he’d braced himself for the worst.
Detailed molecular picture of tooth enamel reveals adaptations to diet
Detailed molecular picture of tooth enamel reveals adaptations to diet Sadie Harley Scientific Editor Robert Egan Associate Editor From chewing to chomping to grinding, teeth suffer from a lifetime of repeated mechanical stress. It makes sense, then, that enamel is one of the hardest natural materials. University of Wisconsin-Madison physics professor Pupa Gilbert and colleagues previously showed that the hydroxyapatite nanocrystals that make up enamel are arranged perfectly parallel to one...
Q&A: Why do telomeres shorten when a cell divides, and how does it affect human aging?
Q&A: Why do telomeres shorten when a cell divides, and how does it affect human aging? Stephanie Baum Scientific Editor Andrew Zinin Lead Editor In each cell of your body, DNA is stored in structures called chromosomes.
Popular joint supplement glucosamine linked to faster Alzheimer’s progression
Popular joint supplement glucosamine linked to faster Alzheimer’s progression - Date: - June 10, 2026 - Source: - UF Health - Summary: - A major study suggests glucosamine, a popular supplement for joint pain, could be linked to faster progression from mild cognitive impairment to Alzheimer’s disease. Researchers found a 25% higher likelihood of developing dementia among glucosamine users and uncovered biological clues that may explain why. - Share: A widely used supplement marketed for...
Alice Roberts: 'We are fundamentally, at the end of the day, animals'
Physically, Homo sapiens is not that special in the animal world. But the species has discovered ways of finding food and beating the odds of survival in every habitat from jungle to Arctic wasteland. It has also come to obsess Alice Roberts, who started off in medicine, becoming a surgeon and an anatomist.