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DNA analysis confirms 2,000-year-old sustainable fishing practices of Tsleil-Waututh Nation

Ancient Indigenous fishing practices can be used to inform sustainable management and conservation today, according to a new study. Working with the Tsleil-Waututh Nation and using new palaeogenetic analytical techniques, the results of a new study provides s
Latest Science News -- ScienceDaily

DNA analysis confirms 2,000-year-old sustainable fishing practices of Tsleil-Waututh Nation

Ancient Indigenous fishing practices can be used to inform sustainable management and conservation today, according to a new study. Working with the Tsleil-Waututh Nation and using new palaeogenetic analytical techniques, the results of a new study provides strong evidence that prior to European colonization, Coast Salish people were managing chum salmon by selectively harvesting males.

For stem cells, bigger doesn’t mean better

A new study suggests that enlargement of stem cells contributes to age-related decline in function. The researchers found that blood stem cells, which are among the smallest cells in the body, lose their ability to perform their normal function -- replenishin
Latest Science News -- ScienceDaily

For stem cells, bigger doesn’t mean better

A new study suggests that enlargement of stem cells contributes to age-related decline in function. The researchers found that blood stem cells, which are among the smallest cells in the body, lose their ability to perform their normal function -- replenishing the body's blood cells -- as they grow larger. When the cells were restored to their usual size, they behaved normally again.

Amazon Rainforest birds’ bodies transform due to climate change

The most pristine parts of the Amazon rainforest devoid of direct human contact are being impacted by human-induced climate change, according to new research. New analyses of data collected over the past four decades show that not only has the number of sensi
Latest Science News -- ScienceDaily

Amazon Rainforest birds’ bodies transform due to climate change

The most pristine parts of the Amazon rainforest devoid of direct human contact are being impacted by human-induced climate change, according to new research. New analyses of data collected over the past four decades show that not only has the number of sensitive resident birds throughout the Amazon rainforest declined, but the body size and wing length have changed for most studied species. These physical changes in the birds track increasingly hot and dry conditions in the dry season, from June to November.

Anxiety cues found in the brain despite safe environment

Researchers used a virtual-reality environment to understand the impact anxiety has on the brain and how brain regions interact with one another to shape behavior.
Latest Science News -- ScienceDaily

Anxiety cues found in the brain despite safe environment

Researchers used a virtual-reality environment to understand the impact anxiety has on the brain and how brain regions interact with one another to shape behavior.

Researchers find benefits and drawbacks to two-step surgical approach for 'leaky heart valves'

Patients with mitral and tricuspid valve regurgitation, a condition sometimes called 'leaky heart valves,' appeared to do better after two years if they had a tricuspid valve repair at the time of mitral valve surgery, according to a new study.
Latest Science News -- ScienceDaily

Researchers find benefits and drawbacks to two-step surgical approach for 'leaky heart valves'

Patients with mitral and tricuspid valve regurgitation, a condition sometimes called 'leaky heart valves,' appeared to do better after two years if they had a tricuspid valve repair at the time of mitral valve surgery, according to a new study.

Bat study reveals secrets of the social brain

Neuroscientists used wireless devices to record the neural activity of freely interacting Egyptian fruit bats, providing researchers with the first glimpse into how the brains of social mammals process complex group interactions.
Latest Science News -- ScienceDaily

Bat study reveals secrets of the social brain

Neuroscientists used wireless devices to record the neural activity of freely interacting Egyptian fruit bats, providing researchers with the first glimpse into how the brains of social mammals process complex group interactions.

Scientists part of team that points to strong connection between climate change, plastics pollution

At the root of global climate change and the worldwide plastics problem are two related carbon-based fuels -- oil and natural gas. Not only are the two among the key drivers of climate change, they are instrumental in the manufacturing of plastics. As storms
Latest Science News -- ScienceDaily

Scientists part of team that points to strong connection between climate change, plastics pollution

At the root of global climate change and the worldwide plastics problem are two related carbon-based fuels -- oil and natural gas. Not only are the two among the key drivers of climate change, they are instrumental in the manufacturing of plastics. As storms intensify and become more frequent, the movement of trash from land to our oceans and, and vice versa, is only going to get worse.

Researchers map neurons in the brain involved with social interactions with others in groups

In social experiments, three monkeys sat around a rotary table and took turns offering food to one of the other two monkeys. Certain neurons in the brain responded to the actions of other monkeys in the group and influenced an animal's upcoming decisions to r
Latest Science News -- ScienceDaily

Researchers map neurons in the brain involved with social interactions with others in groups

In social experiments, three monkeys sat around a rotary table and took turns offering food to one of the other two monkeys. Certain neurons in the brain responded to the actions of other monkeys in the group and influenced an animal's upcoming decisions to reciprocate or retaliate.

Quality of muon beams

A new technique has taken the first images of muon particle beams. Scientists plan to use it to assess the quality of these beams, which are being used more and more in advanced imaging applications.
Latest Science News -- ScienceDaily

Quality of muon beams

A new technique has taken the first images of muon particle beams. Scientists plan to use it to assess the quality of these beams, which are being used more and more in advanced imaging applications.

Brain-related visual problems may affect one in 30 primary school children

A brain-related visual impairment, which until recently was thought to be rare, may affect one in every 30 children according to new research investigating the prevalence of Cerebral Visual Impairment [CVI]. The findings aim to raise awareness of CVI among pa
Latest Science News -- ScienceDaily

Brain-related visual problems may affect one in 30 primary school children

A brain-related visual impairment, which until recently was thought to be rare, may affect one in every 30 children according to new research investigating the prevalence of Cerebral Visual Impairment [CVI]. The findings aim to raise awareness of CVI among parents and teachers to help them identify signs of the condition earlier.

On the dot: Novel quantum sensor provides new approach to early diagnosis via imaging

A phenomenon called 'oxidative stress' is seen in affected organs during the early stages of certain difficult-to-treat diseases like cancer and kidney dysfunction. Detecting oxidative stress could thus enable early diagnosis and preventive treatments. But, t
Latest Science News -- ScienceDaily

On the dot: Novel quantum sensor provides new approach to early diagnosis via imaging

A phenomenon called 'oxidative stress' is seen in affected organs during the early stages of certain difficult-to-treat diseases like cancer and kidney dysfunction. Detecting oxidative stress could thus enable early diagnosis and preventive treatments. But, the in vivo measurement of oxidative stress caused by both oxidation and reduction has historically been difficult. Now, scientists have developed an advanced quantum sensor technology that can detect 'oxidative stress' non-invasively throughout the body using fluorescent imaging and MRI.

New stem cell therapy in dogs -- a breakthrough in veterinary medicine

Scientists have developed a novel method to induce stem cell generation from the blood samples of dogs. Through this technique, the scientists hope to advance regenerative therapies in veterinary medicine. This would mean that, in the near future, veterinaria
Latest Science News -- ScienceDaily

New stem cell therapy in dogs -- a breakthrough in veterinary medicine

Scientists have developed a novel method to induce stem cell generation from the blood samples of dogs. Through this technique, the scientists hope to advance regenerative therapies in veterinary medicine. This would mean that, in the near future, veterinarians might be able to reverse conditions in dogs that were previously thought incurable.

Load-reducing backpack powers electronics by harvesting energy from walking

Hikers, soldiers and school children all know the burden of a heavy backpack. But now, researchers have developed a prototype that not only makes loads feel about 20% lighter, but also harvests energy from human movements to power small electronics. The new b
Latest Science News -- ScienceDaily

Load-reducing backpack powers electronics by harvesting energy from walking

Hikers, soldiers and school children all know the burden of a heavy backpack. But now, researchers have developed a prototype that not only makes loads feel about 20% lighter, but also harvests energy from human movements to power small electronics. The new backpack could be especially useful for athletes, explorers and disaster rescuers who work in remote areas without electricity, the researchers say.

Remyelinating drug could improve vision in patients with multiple sclerosis

Biomedical scientists reports a drug -- an estrogen receptor ligand called indazole chloride (IndCl) -- has the potential to improve vision in patients with multiple sclerosis, or MS. The study was performed on mice induced with a model of MS and the first t
Latest Science News -- ScienceDaily

Remyelinating drug could improve vision in patients with multiple sclerosis

Biomedical scientists reports a drug -- an estrogen receptor ligand called indazole chloride (IndCl) -- has the potential to improve vision in patients with multiple sclerosis, or MS. The study was performed on mice induced with a model of MS and the first to investigate IndCl's effect on the pathology and function of the complete afferent visual pathway.

Explaining differences between the viruses that cause COVID-19 and SARS

Researchers have identified key variants that help explain the differences between the viruses that cause COVID-19 and Severe Acute Respiratory Syndrome (SARS).
Latest Science News -- ScienceDaily

Explaining differences between the viruses that cause COVID-19 and SARS

Researchers have identified key variants that help explain the differences between the viruses that cause COVID-19 and Severe Acute Respiratory Syndrome (SARS).

Scientists advocate breaking laws - of geography and ecology

All that's local is a lot more global, and scientists say solutions can only be found through broader views and collaborations nearby and far away.
Latest Science News -- ScienceDaily

Scientists advocate breaking laws - of geography and ecology

All that's local is a lot more global, and scientists say solutions can only be found through broader views and collaborations nearby and far away.

Injection to treat skin cancer developed

Yale researchers are developing a skin cancer treatment that involves injecting nanoparticles into the tumor, killing cancer cells with a two-pronged approach, as a potential alternative to surgery.
Latest Science News -- ScienceDaily

Injection to treat skin cancer developed

Yale researchers are developing a skin cancer treatment that involves injecting nanoparticles into the tumor, killing cancer cells with a two-pronged approach, as a potential alternative to surgery.

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