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ScienceDaily · 09/19/2024 11:50 EDT

Scientists discover novel approach to rejuvenate aged egg cells

Researchers have developed an innovative technique to rejuvenate aged oocytes, or immature egg cells, to boost their quality, paving the way for improved outcomes for in-vitro fertilization. This groundbreaking approach involves constructing hybrid ovarian follicles by transplanting aged oocytes into a young follicular environment to partially restore their reproductive potential. Read more ›

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ScienceDaily
ScienceDaily · 09/19/2024 11:50 EDT

Stopping plants from passing viruses to their progeny

Scientists have learned how plants keep viruses from being passed to their offspring, a finding that could ensure healthier crops. The discovery could also help reduce the transmission of diseases from mothers to human children. Read more ›

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ScienceDaily
ScienceDaily · 09/19/2024 11:50 EDT

Low oxygen levels in tumors could enhance some of the body's immune responses against cancer

Researchers have found evidence that low oxygen levels in tumors could actually enhance some of the body's immune responses against cancer, in contrast with the general paradigm that hypoxia exclusively helps cancer progression. Their findings identified a macrophage subpopulation displaying more potent immune responses under low oxygen concentrations in tumors. Read more ›

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ScienceDaily
ScienceDaily · 09/19/2024 11:50 EDT

Discovering a new fashion of regulation in red blood cell production

A research team has discovered a mechanism in which blood stem cells respond to acute, severe anemia, through lipoprotein metabolism modification. It has been known how immediate erythroid precursors respond under acute anemic conditions, however, whether and how more immature stem cells react remained unknown. The outcome of this research is expected to contribute to the development of novel therapies for treating severe anemia patients who do not respond to... Read more ›

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ScienceDaily
ScienceDaily · 09/19/2024 11:50 EDT

Low-carbon ammonia offers green alternative for agriculture and hydrogen transport

A new way of making ammonia by harnessing the unique power of liquid metal could lead to significant cuts in carbon emissions caused by production of the widely-used chemical. Ammonia is used in fertilizer to grow much of our food, but also plays a role in clean energy as a carrier to safely transport hydrogen. Read more ›

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ScienceDaily
ScienceDaily · 09/19/2024 11:50 EDT

New research reenvisions Earth's mantle as a relatively uniform reservoir

Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots. Read more ›

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ScienceDaily
ScienceDaily · 09/19/2024 11:49 EDT

Arctic warming may fuel ice formation in clouds

Rising temperatures are thought to reduce the number of ice crystals in clouds, leading to the formation of liquid-dominated clouds. However, a new study has found that Arctic warming is causing an increase in the emission of natural aerosols from snow/ice-free barren and vegetated areas in the Arctic. These aerosols can encourage ice crystal formation in mixed-phase clouds, potentially affecting cloud composition and the Arctic climate. Read more ›

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ScienceDaily
ScienceDaily · 09/19/2024 11:44 EDT

Activity in brain system that controls eye movements highlights importance of spatial thinking

The superior colliculus is a midbrain region that is traditionally thought to help animals orient themselves toward important locations in space, like directing their eyes and head toward a bright flash of light. New research shows that this part of the brain also plays a role in complex cognitive tasks like visual categorization and decision making. Read more ›

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ScienceDaily
ScienceDaily · 09/19/2024 11:41 EDT

Breastfeeding is crucial to shaping infant's microbes and promoting lung health

Human breast milk regulates a baby's mix of microbes, or microbiome, during the infant's first year of life. This in turn lowers the child's risk of developing asthma, a new study shows. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 21:40 EDT

Operating room design linked to length of surgery

A new study has directly linked operating room design to the length of surgeries, with implications both for patient health and hospitals' bottom lines. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 21:40 EDT

Calorie labels on alcohol might help some drinkers maintain a healthier weight

Just over half of heavier drinkers in England say they would make changes to their drinking if calorie labels for alcohol were introduced, according to a new study. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 21:40 EDT

Clinical trial successfully repurposes cancer drug for hereditary bleeding disorder

A drug approved for treating the blood cancer multiple myeloma may offer a safe and effective way to reduce the risk of severe nosebleeds from a rare but devastating bleeding disorder. Hereditary hemorrhagic telangiectasia (HHT), the world's second-most-common inherited bleeding disorder, affects approximately 1-in-5,000 people and can have life-threatening complications, but there are currently no U.S. FDA-approved drugs to treat HHT. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 16:57 EDT

Can the MIND diet lower the risk of memory problems later in life?

People whose diet more closely resembles the MIND diet may have a lower risk of cognitive impairment, according to a new study. Results were similar for Black and white participants. These results do not prove that the MIND diet prevents cognitive impairment, they only show an association. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 16:57 EDT

Explaining dramatic planet-wide changes after world's last 'Snowball Earth' event

Some of the most dramatic climatic events in our planet's history are 'Snowball Earth' events that happened hundreds of millions of years ago, when almost the entire planet was encased in ice up to 0.6 miles thick. New research provides a more complete picture for how the last Snowball Earth event ended, and suggests why it preceded a dramatic expansion of life on Earth, including the emergence of the first... Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 16:57 EDT

Some diabetes drugs tied to lower risk of dementia, Parkinson's disease

A class of drugs for diabetes may be associated with a lower risk of dementia and Parkinson's disease, according to a new study. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 14:24 EDT

Even marine animals in untouched habitats are at risk from human impacts

Climate change and a range of other human impacts are putting marine animals at risk of extinction -- even those living in almost pristine marine habitats and diverse coastal regions -- reports a new study. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 14:24 EDT

South African rock art possibly inspired by long-extinct species

A mysterious tusked animal depicted in South African rock art might portray an ancient species preserved as fossils in the same region, according to a new study. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 14:24 EDT

Flexible circuits made with silk and graphene on the horizon

Ultra-thin layers of silk deposited on graphene in perfect alignment represent a key advance for the control needed in microelectronics and advanced neural network development. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 14:24 EDT

Versatile knee exo for safer lifting

A set of knee exoskeletons, built with commercially available knee braces and drone motors, has been shown to help counteract fatigue in lifting and carrying tasks. They helped users maintain better lifting posture even when tired, a key factor in defending against on-the-job injuries, the researchers say. Read more ›

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ScienceDaily
ScienceDaily · 09/18/2024 14:24 EDT

Hexagonal electrohydraulic modules shape-shift into versatile robots

Scientists at MPI-IS have developed electrically driven robotic components, called HEXEL modules, which can snap together into high-speed reconfigurable robots. Magnets embedded along the outside of the modules allow them to electrically and mechanically connect to other modules, forming robots with diverse shapes and capabilities. HEXEL modules are a promising technology for use in resource-limited environments, such as on space or rescue missions, and can be used to construct versatile... Read more ›

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26.11.2024 20:48
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