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Prairie voles show how sex and intimacy rewire the brain

How does sex relate to lasting love? To answer that question, scientists have long studied a small Midwestern rodent called the prairie vole, one of the few mammals known to form long-term, monogamous relationships. A team of researchers including Steven Phelps of the University of Texas at Austin has created the first brain-wide map of regions that...

Fri Feb 23, 2024 20:26
Sex and gender in biology textbooks don’t mesh with science

A study of how biology textbooks in the US instruct students about sex and gender finds that these concepts are frequently described in ways that are at odds with scientific research. The teaching of science has long generated controversy in the United States—from evolution in the early 20th century to climate change today. Debates have also often...

Fri Feb 23, 2024 18:26
Nanomaterial for retina implant could help restore sight

A new nanomaterial for retinal implants could someday help restore sight for millions, researchers report. Retinitis pigmentosa is a thief, gradually stealing the eyesight of an estimated two million people around the world. Currently, there are no effective treatments to stop or correct the damage caused by this inherited ailment, which kills off...

Fri Feb 23, 2024 18:26
Team finds potential heart treatment for people with diabetes

Researchers have discovered a potential treatment for an underlying cause of cardiovascular disease in people with type 2 diabetes. More than 30 million Americans live with type 2 diabetes. One common feature of diabetes is the hardening and inflexibility of blood vessels caused by damage to the endothelial cells in the vascular system. Over time,...

Fri Feb 23, 2024 16:24
100-year-old TB vaccine shrinks liver tumors in mice

The century-old tuberculosis vaccine extends survival of mice with hard-to-treat liver cancer, according to a new study. The researchers found that a single dose of Bacillus Calmette-Guérin (BCG), the vaccine for tuberculosis (TB), reduced liver tumor burden and extended the survival of mice with liver cancer. The study in Advanced Science is the...

Fri Feb 23, 2024 16:24
Alzheimer’s blood test could replace spinal taps and brain scans

A simple blood test to diagnose Alzheimer’s disease may soon replace more invasive and expensive screening methods such as spinal taps and brain scans, a new study shows. The findings show that a blood test can be as good at detecting molecular signs of Alzheimer’s disease in the brain as cerebrospinal fluid tests approved by the Food and Drug Administration...

Thu Feb 22, 2024 22:24

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