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Life Sciences - 30.05.2024
More wolves does not necessarily equal fewer foxes or badgers
The assumption that the numbers of smaller predators will decline when large predator populations rise, is not necessarily valid. For mammals in Europe, this relationship appears to exist only in specific cases. Utrecht biologists Thomas van Schaik, Marijke van Kuijk , and Liesbeth Sterck conclude this based on a literature review they conducted, which was recently published in the scientific journal Mammal Review.

Life Sciences - Health - 30.05.2024
Too much or too little: the impact of protein dosage on development
Too much or too little: the impact of protein dosage on development
A recent study carried out at the University of Lausanne reveals that both excess and deficiency of the same protein can lead to severe intellectual impairment. The discovery opens up vital prospects for the early diagnosis of a rare developmental disorder. A team of scientists led by Alexandre Reymond, an expert in human genetics at the Centre intégratif de génomique (CIG) and Professor at the Faculty of Biology and Medicine (FBM) at the University of Lausanne (UNIL), has produced a major breakthrough in the detection of a rare genetic disease.

Life Sciences - Health - 30.05.2024
Stem cells boosted with glucose to combat osteoarthritis
Scientists from the University of Geneva have discovered how to increase the lifespan of stem cells injected into cartilage to facilitate the regeneration of tissue damaged by osteoarthritis. Osteoarthritis, a degenerative disease of the cartilage that affects the majority of the elderly population, seriously compromises patients' quality of life.

Health - Life Sciences - 29.05.2024
Deep stimulation of the human brain: a new non-invasive technique EPFL-UCLouvain
Scientists at EPFL (École Polytechnique Fédérale de Lausanne), led by Prof. Friedhelm C. Hummel and post-doctoral fellow Pierre Vassiliadis (EPFL and UCLouvain Institute of Neuroscience), have successfully tested a new technique enabling deep stimulation of the human brain, without surgery or implants, for potential therapeutic purposes.

Environment - Life Sciences - 29.05.2024
Unexpected pockets of biodiversity pepper Los Angeles
Unexpected pockets of biodiversity pepper Los Angeles
But it will still be a challenge to elevate the overall level of biodiversity in the city Key takeaways UCLA researchers, in partnership with the city of Los Angeles, have developed the urban association index to help identify how well or poorly individual wildlife species are doing in the city. The researchers found unexpected pockets of biodiversity deep in the city, but they say it will still be a challenge to elevate Los Angeles' overall level of biodiversity.

Life Sciences - 29.05.2024
Acute sense of touch helps hummingbirds hover near flowers without bumping them
Acute sense of touch helps hummingbirds hover near flowers without bumping them
Science + Technology A new study shows they create a 3D body map when gusts of air touch their wings Key takeaways Hummingbird flight mechanics have been well studied but far less is known about how their sense of touch helps them sip nectar from a flower without bumping into it. Most of what scientists know about how touch is processed in the brain comes from studies on mammals, but bird brains are very different from mammal brains.

Life Sciences - 29.05.2024
The hunger games
The hunger games
Why do primates have big brains? In the Panamanian rainforest, scientists pitted large-brained primates against smaller-brained mammals to find out who was the smartest forager Primates, including humans, have larger brains than most other mammals, but why? Scientists searching for the answer have long followed a trail pointing to diet-specifically fruit-as the reason for why primates evolved larger brains.

Life Sciences - 29.05.2024
A key protein preserves motor ability during aging
A new study by scientists shows that age-related decline in motor ability can be countered in fruit flies by enhancing the expression of the protein Trio, suggesting potential treatments for age-related movement decline. As we age, we suffer a noticeable decline in motor ability, which affects our quality of life and independence.

Life Sciences - Health - 29.05.2024
New research from the RVC unlocks the key to hummingbird flight
New research from the Royal Veterinary College (RVC), UCLA and the University of British Columbia has found that hummingbirds create a 3D map of their body, which may enable them to hover and make nuanced adjustments to their flight dynamics based on the smallest of touches and airflow in their environment.

Life Sciences - Health - 29.05.2024
Scientists identify mechanism behind drug resistance in malaria parasite
SMART researchers find a cellular process called transfer ribonucleic acid (tRNA) modification influences the malaria parasite's ability to develop resistance. Researchers from the Singapore-MIT Alliance for Research and Technology (SMART), in collaboration with MIT, Columbia University Irving Medical Center, and Nanyang Technological University in Singapore (NTU Singapore), have discovered a new link between malaria parasites' ability to develop resistance to the antimalarial artemisinin (ART) through a cellular process called transfer ribonucleic acid (tRNA) modification.

Life Sciences - Chemistry - 28.05.2024
Cancer Research: DNA Repair Mechanism Further Elucidated
Cancer Research: DNA Repair Mechanism Further Elucidated
Researchers at the University of Würzburg, led by Caroline Kisker in cooperation with Claudia Höbartner, discovered how the protein XPD detects a severe DNA damage and controls its repair. The XPD protein is a central component of our body's own 'DNA repair team', known as nucleotide excision repair (NER).

Health - Life Sciences - 27.05.2024
How bacteria can influence our behavior
How bacteria can influence our behavior
The gut microbiome influences our decisions in social contexts. This is the conclusion of a study led by Sorbonne Université and INSEAD with the participation of the University of Bonn and the University Hospital Bonn (UKB). The study has been published in Proceedings of the National Academy of Sciences Nexus .

Environment - Life Sciences - 27.05.2024
Better archiving of genetic data
Better archiving of genetic data
Every year, researchers upload vast amounts of genetic information to publicly accessible databases.

Health - Life Sciences - 27.05.2024
Sanfilippo syndrome: Major advancement towards developing a treatment
For the first time, a team co-led by Alexey Pshezhetsky resolved the structure of the enzyme deficient in Sanfilippo disease, a rare pediatric neurodegenerative disorder. For the first time, a team co-led by CHU Sainte-Justine researcher and professor in the Faculty of Medicine at Université de Montréal, Alexey Pshezhetsky has succeeded in resolving the unique structure of the HGSNAT enzyme, a deficiency of which causes Sanfilippo syndrome, a rare pediatric disease affecting the central nervous system.

Social Sciences - Life Sciences - 27.05.2024
Cultural Networks of Central African Hunter-Gatherers Have Ancient Origin
Cultural Networks of Central African Hunter-Gatherers Have Ancient Origin
Extensive social networks between different hunter-gatherer groups in the Congo Basin existed long before agriculture arrived in the region. This continent-wide exchange preserved a cultural diversity that evolved thousands of years ago, as researchers from the University of Zurich show based on musical instruments, specialized vocabulary and genetic information.

Life Sciences - Health - 27.05.2024
Alzheimer’s disease risk: hyperactivation of memory circuits
By exploring the effects of sport on memory, scientists from the University of Geneva have discovered compensatory mechanisms in the brains of young individuals at genetic risk of developing Alzheimer's disease. The benefits of physical activity on health are widely accepted, and those on cognitive capacity are increasingly well known.

Life Sciences - 27.05.2024
How and why different cell division strategies evolve
How and why different cell division strategies evolve
Scientists, in collaboration with researchers at EMBL Heidelberg, have discovered that a group of marine protists (eukaryotic organisms) closely related to animals use open or closed mitosis based on their life cycle stages, suggesting that the way animal cells perform cell division evolved long before animals themselves.

Microtechnics - Life Sciences - 24.05.2024
Imperceptible sensors made from 'electronic spider silk' can be printed directly on human skin
Imperceptible sensors made from ’electronic spider silk’ can be printed directly on human skin
Researchers have developed a method to make adaptive and eco-friendly sensors that can be directly and imperceptibly printed onto a wide range of biological surfaces, whether that's a finger or a flower petal. The method, developed by researchers from the University of Cambridge, takes its inspiration from spider silk, which can conform and stick to a range of surfaces.

Health - Life Sciences - 24.05.2024
Physical frailty may put people at greater risk of depression
The findings of a new Yale study suggest physical frailty may be a risk factor for depression - and a target for intervention. Individuals who meet at least one of the criteria for physical frailty are at higher risk of also developing depression, a new Yale study finds. The findings - which also include insights into the specific inflammatory molecules and changes in brain structure that could underlie this association between frailty and depression - point to a need for routine assessment of physical frailty in clinical practice, researchers said.

Life Sciences - Health - 23.05.2024
Sequencing of the developing human brain uncovers hundreds of thousands of new gene transcripts
New study could improve the ability to make genetic diagnoses and treat neurodevelopmental disorders Health + Behavior New study could improve the ability to make genetic diagnoses and treat neurodevelopmental disorders Key takeaways Regulation of isoforms - varied versions of RNA and proteins that can be produced from a single gene - is a critical tool in understanding brain development and genetic risk for neuropsychiatric disorders.