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Phys.org / When mothers make the winners: How alpha female lineages dominate hyena clans
In mammals, males are usually stronger and more competitive than females. Males also show greater inequality in reproductive success—the number of offspring they produce—than females. In spotted hyenas, the opposite is true: ...
Phys.org / Exploring the lost golden age of language diversity before expanding empires drove a global decline
Today, people speak or sign around 7,500 languages. Yet this figure provides only a snapshot of a constantly changing history. How many languages existed before written records? Did agriculture reduce linguistic diversity ...
Phys.org / Engineered enzyme erases a stubborn mark of aging by up to 70% in human tissue samples
A biotech company called Revel Pharmaceuticals is looking into ways to reverse aging, and the company's science team, along with researchers from the company Calico and the University of Colorado, may be a step closer to ...
Medical Xpress / Drug temporarily reverses autism-like brain changes in adult mice within hours
A new mouse study led by UCLA Health suggests that inflammation during pregnancy can trigger autism-like changes in offspring, but those brain and behavioral effects may be rapidly, though temporarily, reversible in adulthood ...
Phys.org / Kindness emerges intuitively in young children before reflection catches up, study finds
While humans are inherently social beings, psychology studies suggest that their social skills are gradually fine-tuned over time and with experience. Understanding when different social skills emerge and how they typically ...
Medical Xpress / Newly identified molecule could help regulate sleep
Sleep is known to be essential for survival, as it allows both humans and other animals to rest, while the brain consolidates memories and clears out metabolic waste products. For many people worldwide, however, falling asleep ...
Phys.org / Most powerful Northern Lights in a generation expose weaknesses in UK infrastructure
Millions of people across the UK marveled at the spectacular northern lights that lit up the night sky in May 2024. But while the display captivated skywatchers, the geomagnetic storm behind it also served as the biggest ...
Phys.org / Earlier toilet training could curb growing diaper waste crisis
Earlier toilet training and new recycling technologies are among expert-backed solutions to reduce the environmental impact of disposable diapers and other hygiene products, according to a new study led by UCL researchers.
Phys.org / Plant diversity boosts natural pest control in farms, while forests and grasslands follow different rules
Plant diversity has long been regarded as key to stable and resilient ecosystems. However, until now, little has been understood about why it has different effects in agricultural areas than in grasslands or forests. An international ...
Phys.org / Moon baboon: New insight into the mind of ancient Egyptians
New research from the University of St Andrews has shed light on baboons, moonlight and their link to an ancient Egyptian deity.
Phys.org / Mars auroras reveal miniature version of Earth's magnetic engine
NASA MAVEN (Mars Atmosphere and Volatile Evolution) mission scientists have uncovered a key puzzle piece in understanding certain types of auroras on Mars, finding that they form in a similar way to Earth–based auroras.
Phys.org / Colorado basins supplying 70% of Lake Powell's water face major midcentury shortages
If the Colorado River Basin is the lifeblood of the American Southwest, keeping the region's agricultural, ecological and economic systems thriving, Colorado's West Slope River basins could be considered the heart. Together, ...
