People willing to risk near-certain death for an HIV cure; protecting individuals and families in genetic and psychiatric research, considerations for including pregnant women in research.
Canada's northernmost islands, Ellesmere and Axel Heiberg islands in Nunavut, were home to a vibrant, temperate forest 56 million years ago, according to fossil research.
Biologists have discovered two unexpected drivers for migration timing that dispute long-held assumptions and provide insight into potential future effects of climate change on caribou. First, the start of migration is synchronized across North America and tied to large-scale, ocean-driven climate cycles. Second, warm, windless summers that favored insect pests lead to poorer maternal health and delayed arrivals at the calving grounds the following spring.
A team of researchers has found that neural exosomes -- 'cargo' molecules within the nervous system that carry messages to the brain -- can minimize or even avert progression of traumatic brain injury when used as part of a new cell-to-cell messaging technology.
Comet 2I/Borisov is a mysterious visitor from the depths of space -- the first identified comet to arrive here from another star. Hubble images capture the comet streaking though our solar system and on its way back to interstellar space. It's only the second interstellar object known to have passed through the solar system.
A single drop of seawater can contain a wide representation of ocean microbes from around the world -- revealing novel insights into the ecology, evolution and biotechnology potential of the global microbiome.
Motorized molecules activated by light target and drill through highly antibiotic resistant bacteria and kill them within minutes. The molecules can open bacteria to attack by drugs they previously resisted. The strategy could be applied to bacterial infections or diseases on the skin, in the lungs or in the gastrointestinal tract.
Glaciologists have unveiled the most accurate portrait yet of the contours of the land beneath Antarctica's ice sheet -- and, by doing so, have helped identify which regions of the continent are going to be most vulnerable to the impact of future climate warming.
Researchers showed, for the first time, that a single, higher dose of vaccination to a pregnant mouse safely protects both her and her fetus from the Zika virus. The researchers found that a single, less potent dose was not enough to protect the fetus.
Scientists have developed a model that can predict the amount of mercury being released into a local ecosystem from deforestation. The research could point toward ways to mitigate the worst effects of mercury poisoning in regions already experiencing elevated mercury levels caused by small-scale gold mining practices, such as those in the Peruvian Amazon.
New research pinpoints a specific neural circuit that when altered caused animal models to drink less alcohol.
A computational study by chemists showed the dynamics of tumor formation don't necessarily correlate with clinical data on lifetime cancer risks. It suggests biomarkers may someday be able to help predict when mutations in cells will turn cancer-prone cells into full-blown cancer.
A type of Martian aurora first identified by NASA's MAVEN spacecraft in 2016 is actually the most common form of aurora occurring on the Red Planet, according to new results from the mission. The aurora is known as a proton aurora and can help scientists track water loss from Mars' atmosphere.
A research group is reporting the detection of extragalactic planet-mass objects in a second and third galaxy beyond the Milky Way after the first detection in 2018. With the existing observational resources, it is impossible to directly detect planet-mass objects beyond the Milky Way and to measure its rogue planetary population.
New research published today shows that breastfeeding is crucial in preventing diabetes. The World Health Organization recommends breastfeeding as the sole source of nutrition for infants until six months of age, as this helps reduce child morbidity and mortality. In contrast, early weaning is associated with both the development of obesity and Type 2 diabetes in adulthood.
In the last decade, scientists discovered that blocking a key regulator of the immune system helped unleash the body's natural defenses against several forms of cancer, opening up a new era of cancer immunotherapy. Now scientists have essentially flipped this script and found that when impaired a molecularly similar regulator can cause the damaging immune system attacks on skin and organs that are the hallmark of the autoimmune disease lupus.