Tag

Environmental Stress

All articles tagged with #environmental stress

science2 years ago

Cultural Practices and Environmental Stress Shaped Height Differences in Early Neolithic Europe

A study published in Nature Human Behaviour suggests that height differences between male and female individuals during the Early Neolithic in northern Europe were influenced by cultural factors rather than genetics and diet alone. The research analyzed data from 1,535 Neolithic individuals and found that in North Central Europe, despite having identical genetic scores, females had lower stature, indicating a cultural preference for supporting male recovery from environmental stress. In Mediterranean populations, the sex difference in height was reduced, suggesting a lack of cultural preference for protecting males from environmental stress impacts. The study highlights the role of cultural and environmental factors in driving sex differences in stature throughout history.

environment2 years ago

"Pink Pond in Hawaii Raises Environmental Concerns and Attracts Tourists"

A pond in Hawaii's Kealia Pond National Wildlife Refuge has turned pink due to the presence of halobacteria, a type of archaea that thrives in high-salt environments. The pink hue is a sign of environmental stress caused by dry conditions and increased salinity levels. While the water is not likely to pose a health threat to humans, officials have advised against swimming in the pond and consuming fish from it. The color change serves as a warning that the ecosystem is being severely impacted, and experts attribute the phenomenon to climate change and extreme weather events.

science2 years ago

Unexpected Role of Soil Microbes in Plant Drought Tolerance Revealed

New research challenges the conventional belief that soil microbes help plants cope with drought by responding to the plants' chemical signals. A study from the University of Illinois Urbana-Champaign found that free-living soil microbes are primarily looking out for themselves. The environment selects for drought-tolerant microbes, which incidentally make plants more drought-tolerant. The study highlights the need for considering no-microbe and no-plant controls in future research to better understand plant-microbe interactions.

science2 years ago

Climate Change Linked to Human Brain Shrinkage: Study Reveals Startling Cognitive Consequences

A study conducted by cognitive scientist Jeff Morgan Stibel has revealed a surprising link between climate change and a decline in the size of the human brain. By analyzing climate records and human remains spanning 50,000 years, the research found that periods of warmer climates were associated with a significant reduction in average brain size compared to cooler ones. The study highlights the importance of understanding the impact of climate change on human brain size and behavior, raising concerns about the potential cognitive consequences of ongoing global warming. Other factors such as ecosystem elements, indirect climate effects, or non-climate factors like culture and technology may also contribute to changes in brain size.

environment2 years ago

"Massive Fish Die-Off Devastates Australian River"

As many as a million fish, predominantly Bony Herring, have died in the Darling River at Menindee in outback New South Wales, Australia due to low oxygen levels in the water caused by hypoxia as flood waters recede, exacerbated by the current hot weather in the region. The river has experienced strain from flooding conditions and has been the site of several mass fish kill events in recent years. Claims of water mismanagement and poor river health have been raised by locals as a potential cause of the mass deaths, but the DPI has denied this in the past.