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Medical Xpress / Early split in brain precursors creates two neuron lineages, mouse study finds
The cerebral cortex is densely packed with different nerve cells that enable us to perceive, think and act. Yet how these cell types arise as the brain develops is still not fully understood. Irene Varela-Martínez, a postdoctoral ...
Medical Xpress / Social media algorithms expose many adolescents to self-harm content, study finds
Digital technologies have profoundly transformed how adolescents acquire information and interact with each other outside school. Numerous preteens and teenagers worldwide access social media platforms daily to read posts, ...
Phys.org / New molecule class creates hardy, drought tolerant plants
As climate change causes water scarcity and temperatures to rise, crops around the world are feeling the heat. How can we prevent severe crop losses in these relentlessly sweltering conditions? An international research team ...
Phys.org / Avalanche cracks may appear globally supersonic while remaining locally subsonic
Can a crack be supersonic? Can the fracture that triggers an avalanche propagate faster than the limiting velocity predicted by classical fracture mechanics? The question remains the subject of debate within the scientific ...
Phys.org / Fuego volcano activity that triggered evacuations in Guatemala is decreasing, but risks remain
Activity at Guatemala's Fuego volcano that began Monday morning and caused widespread evacuations is gradually decreasing, authorities said Wednesday.
Phys.org / Pumas make roads safer for drivers by changing prey behavior patterns
Living among large predatory carnivores could actually make you safer. A study published in the journal Current Biology found that pumas—wild cats also known as mountain lions, cougars or panthers—change deer behavior, leading ...
Phys.org / Climate change created conditions for Canada fires, scientists say, as Trump blames mismanagement
Human-caused climate change doubled the likelihood of the tinderbox weather conditions that sparked Canada's massive summer wildfires and in turn angered U.S. President Donald Trump, according to a study released Thursday.
Phys.org / German cockroaches appear to be more social animals than previously thought
Newborn German cockroaches use pheromones in cockroach feces to identify members of their own colony and form a kind of social bond, a discovery that could be used to improve pest control efforts.
Medical Xpress / Cancer Dependency Map now includes next-generation 3D cancer models
For nearly a decade, the Cancer Dependency Map, or DepMap, at the Broad Institute has helped scientists uncover new cancer dependencies—the genetic changes some cancers need to thrive that can potentially be targeted by new ...
Medical Xpress / Large-scale brain scan study reveals unexpected differences in motor and visual regions linked to depression
Major depressive disorder, commonly referred to as depression, is a debilitating psychiatric disorder estimated to affect roughly 5% of the global population. Depression is characterized by persistent sadness and hopelessness, ...
Phys.org / Total eclipse gives scientists chance to probe sun's mysteries
Scientists plan to use a total solar eclipse that will be visible in Spain next week as a rare chance to learn more about the stormy, unpredictable nature of our star.
Medical Xpress / Researchers discover immune 'off switch' used by cancer cells
Mayo Clinic researchers have identified a protein that cancer cells use to shut down the body's immune response, a discovery that could help scientists develop new treatments that make cancer immunotherapies more effective.
