Researchers from the Smithsonian’s National Museum of Natural History have identified the oldest decisive evidence of humans’ close evolutionary relatives butchering and likely eating one another.
Although the prehistoric site of Eynan-Mallaha in northern Israel has been thoroughly examined since 1955, it still holds some surprises for scientists. Seven prehistoric wind instruments known as flutes, recently identified by a Franco-Israeli team.
In aerobic organisms, reactive oxygen species (ROS), such as hydroxide (OH), singlet oxygen (1O2), hydrogen peroxide (H2O2), and superoxide (O2–) ions are produced during aerobic respiration, which causes serious oxidative damage to biomolecules in the body.
African Americans with a mutation in the gene TRPM4 are more likely to have increased inflammation in the brain, resulting in poor recovery after suffering a traumatic brain injury (TBI), compared to others who don’t have the mutation, according to a study by researchers with UTHealth Houston.
An international team has used satellite- and ground-based ionospheric observations to demonstrate that an air pressure wave triggered by volcanic eruptions could produce an equatorial plasma bubble (EPB) in the ionosphere, severely disrupting satellite-based communications.
Up to eight percent of the sand in concrete and mortar used to make a single-story house could be replaced with shredded used disposable diapers without significantly diminishing their strength, according to a study published in Scientific Reports.
Oxytocin, the so-called “love hormone,” plays a key role in the process of how a young zebra finch learns to sing by imitating its elders, suggests a new study by neuroscientists at Emory University. Scientific Reports published the findings, which add to the understanding of the neurochemistry of social learning.
UNLV study pinpoints 10 bacterial groups associated with Alzheimer’s disease, provides new insights into the relationship between gut makeup and dementia.
Proteins tend to fold wrongly and become defective when exposed to stressors such as heat, oxidation, and pH changes. Accumulation of abnormal proteins contributes to neurodegenerative diseases like Alzheimer’s.
Elevated maternal stress during the COVID-19 pandemic changed the structure, texture and other qualities of the placenta in pregnant mothers – a critical connection between mothers and their unborn babies – according to new research from the Developing Brain Institute at Children’s National Hospital.
A new drug delivery system delivers an antioxidant directly to mitochondria in the liver, mitigating the effects of oxidative stress.
New research suggests investigative law enforcement officers have a harder time focusing on their work and managing their emotions on days when they're more fatigued. They also face greater difficulty establishing rapport with interviewees.
For decades, scientists sought a way to apply the outstanding analytical capabilities of neutrons to materials under pressures approaching those surrounding the Earth’s core. These extreme pressures can rearrange a material’s atoms, potentially resulting in interesting new properties.
A study conducted in 27 countries, led by the department of Anthropology at the University of California Los Angeles (UCLA) in which the University of Seville takes part, suggests that in the early years of the COVID-19 pandemic, traditionalism was associated with support for stricter precautionary behaviour against the epidemic.
Two new Finnish studies show that short bouts of light or moderate exercise can increase the number of immune cells in the bloodstream of cancer patients.
Fusion energy researchers use a technique called Gas-Puff Imaging (GPI) to visualize an important phenomenon in tokamak devices involving turbulence in plasma magnetic confinement fields. This technique can generate roughly 1 million frames of visual data, far too much for humans to analyze by eye. Scientists recently tested a machine-learning based approach for analyzing GPI images. The system provides detailed, time- and space-resolved information and could aid in design and operation of future fusion power devices.
Spider mites avoid chemicals extracted from caterpillar traces; the repellent effect lasts for days. Butterfly and moth caterpillars then indiscriminately consume spider mite-infested and intact leaves along with dormant individuals or their eggs.
Habitats suitable for Asian elephants (Elephas maximus) across Asia have decreased by over 64% – equating to 3.3 million square kilometres of land – since the year 1700, estimates a study published in Scientific Reports.
Global space for Asian elephant habitats has been in rapid decline since the 1700s, a new report reveals. More than 3 million square kilometers of the Asian elephant’s historic habitat range has been lost in just three centuries and may underlie present-day conflicts between elephants and people.
A new study reveals that Nerja is the European cave containing Paleolithic Art in with the most confirmed and recurrent visits during Prehistory
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