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New study deconstructs Dunbar’s number

(Stockholm University) An individual human can maintain stable social relationships with about 150 people, not more. This is the proposition known as ‘Dunbar’s number’ – that the architecture of the human brain sets an upper limit on our social lives. A new study from Stockholm University indicates that a cognitive limit on human group sizes cannot be derived in this manner.

Wisdom and Loneliness May Be Shaped by Healthy Gut Microbes, Researchers Believe

The evolving science of wisdom rests on the idea that wisdom’s defined traits correspond to distinct regions of the brain, and that greater wisdom translates into greater happiness and life satisfaction while being less wise results in opposite, negative consequences. Scientists have found in multiple studies that persons deemed to be wiser are less prone […]

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Researchers Find They Can Weaken Fear Memories, a Discovery That Could Help Treat Trauma

Scientists could be a step closer to finding a way to reduce the impact of traumatic memories, according to a new study. Stephen Maren, professor of psychological and brain sciences at Texas A&M University, said the group’s findings suggest that procedures used by clinicians to indirectly reactivate traumatic memories render a window whereby those memories […]

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Annotated Bibliography: Synthetic Turf and Climate, health, biodiversity and microplastics pollution issues

Increasing use of synthetic surfaces and synthetic turf is problematic for Several reasons.  Synthetic turf is: Derived from fossil fuel petrochemical industry Produces greenhouse gas emissions during manufacturing and as it degrades Increases landfill at end of life Produces micro-plastic…

Silk moth’s diapause reverts back to ancestors’ through gene editing!?

(Shinshu University) Diapause is a phenomenon in which animals and insects foresee changes in the environment and actively reduce metabolism, or halt regular differentiation and development. By knocking out genes that allow the silkworm to detect temperature, researchers found that the silk moth diapause changes from temperature to day length. This is not only valuable for the molecular mechanism in the environmental response, but also an important finding in exploring the process of domestication of silk moths.

New Brain Cancer Immunotherapy Shows Promise in Human Trial – Most Patients Saw No Tumor Growth For 3 Years

A landmark human trial testing a vaccine that’s designed to help the immune system target brain tumors has shown promising results—and Phase 2 of the trial is now being planned. According to a Nature article published by the researchers leading the trial, the vaccine was safe for all patients, and showed the hoped-for immune response […]

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Futuristic ‘Green’ Fabric That Works Like a Smartphone Unveiled by Scientists

A new fabric developed by a Chinese team of scientists that works like a smartphone could have applications in communications, navigation, healthcare, and safety. The hi-tech garment could improve safety for cyclists, motorists, and emergency responders. For instance, the brush of a sleeve could display a ‘textile map’ on their arm—in an instant. The inexpensive […]

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