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ScienceDaily · 11/25/2024 12:51 EDT

Scientists produce high-power attosecond X-ray pulses at megahertz repetition rates

A research team has achieved a major advance in X-ray science by generating unprecedented high-power attosecond hard X-ray pulses at megahertz repetition rates. This advancement opens new frontiers in the study of ultrafast electron dynamics and enables non-destructive measurements at the atomic level. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:51 EDT

Bats' amazing plan B for when they can't hear

When bats can't hear, new research finds that these hearing-dependent animals employ a remarkable compensation strategy. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:50 EDT

The next evolution of AI begins with ours

The genome has space for only a small fraction of the information needed to control complex behaviors. So then how, for example, does a newborn sea turtle instinctually know to follow the moonlight? Neuroscientists have devised a potential explanation for this age-old paradox. Their ideas should lead to faster, more evolved forms of artificial intelligence. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:50 EDT

Using sunlight to recycle black plastics

Not all plastics are equal -- some types and colors are easier to recycle than others. For instance, black foam and black coffee lids, which are often made of polystyrene, usually end up in landfills because color additives lead to ineffective sorting. Now, researchers report on the ability to leverage one additive in black plastics, with the help of sunlight or white LEDs, to convert black and colored polystyrene waste... Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:50 EDT

Phages, towards a targeted alternative to antibiotics

With the rapid development of antibiotics in the 1930s, phage therapy -- using viruses known as bacteriophages or phages to tackle bacterial infections -- fell into oblivion. But as the current rise in antibiotic resistance is making it increasingly difficult to treat bacterial infections, phage therapy is once again sparking interest among physicians and scientists -- although it remains complex in practice because of the great diversity and specificity of... Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:50 EDT

Study finds genetic mechanisms behind high-yield apple trees

Apples rank among the world's most valuable fruit crops, with production spanning more than 100 countries. Some apple trees naturally develop into what farmers call 'spur-type' varieties -- compact trees that are more productive and easier to maintain. But the genetic mechanisms underlying this coveted trait have remained elusive -- until now. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:50 EDT

Scientists find why tamoxifen works better for some people

Tamoxifen is a common and important treatment to prevent breast cancer from recurring. A new study shows that variation in a patient's gut microbiome can impact how effective the treatment is. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:50 EDT

Impact of climate change on water resources will increase price tag to decarbonize the grid

A new study warns that current plans to achieve zero emissions on the grid by 2050 vastly underestimate the required investments in generation and transmission infrastructure. The reason: these plans do not account for climate change's impacts on water resources. Specifically, changes in water availability caused by climate change could decrease hydropower generation by up to 23% by the year 2050, while electricity demand could increase by 2%. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:50 EDT

Political opinions influence our choice of chocolate

We distance ourselves from completely neutral products if they are liked by people who have political views that we find disagreeable. Even chocolate can be political, according to new research from Sweden. The behavior is reinforced if we have to make a decision when others are watching. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:49 EDT

Researchers use fitness tracker data and machine learning to detect bipolar disorder mood swings

Investigators evaluated whether data collected from a fitness tracker could be used to accurately detect mood episodes in people with bipolar disorder. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:49 EDT

Researchers develop tools to examine neighborhood economic effects on spinal cord injury outcomes

A new study emphasizes that neighborhood conditions significantly shape recovery opportunities for individuals with SCI and advocates for environmental interventions to reduce health inequities. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:49 EDT

New AI tool generates realistic satellite images of future flooding

With help from AI, scientists developed a method that generates satellite imagery from the future to depict how a region would look after a potential flooding event. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:49 EDT

Brain shrinkage associated with Alzheimer's therapies shows effectiveness rather than harm

A loss of brain volume associated with new immunotherapies for Alzheimer's disease may be caused by the removal of amyloid plaques, rather than the loss of neurons or brain tissue, finds a new study. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:49 EDT

Pandrug-resistant bacteria from the war in Ukraine are extremely pathogenic

It has been a year ago since bacteria from war-wounded at hospitals in Ukraine were analyzed. The study showed that some of the bacteria types had total resistance to antibiotics. Now, the same researchers have examined the infectiousness of the bacteria. 'The bacterium 'Klebsiella pneumoniae', which is resistant to all antibiotics, is also particularly aggressive and dangerous,' says the lead author of the study. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:48 EDT

Social networked friendship quality can be means of combating loneliness

Spending too much time social networking appears to be a key driver in loneliness, but a new article suggests motivated uses of social networking sites for connecting with people and feeling companionship can also play a role in alleviating it. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:48 EDT

Women who suffer pregnancy complications have fewer children

Women who suffer severe complications during their first pregnancy or delivery are less inclined to have more babies, a study reports. Given the recent steady decline in birth rate in Sweden, the researchers propose monitoring in antenatal care to address the problem. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:48 EDT

Novel supernova observations grant astronomers a peek into the cosmic past

An international team of researchers has made new observations of an unusual supernova, finding the most metal-poor stellar explosion ever observed. Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:48 EDT

Herodotus' theory on Armenian origins debunked by first whole-genome study

Armenians, a population in Western Asia historically inhabiting the Armenian highlands, were long believed to be descendants of Phrygian settlers from the Balkans. This theory originated largely from the accounts of the Greek historian Herodotus, who observed that Armenians were armed in Phrygian fashion when serving in the Persian army. Linguists further supported this theory, suggesting that the Armenian language shares ties with the Thraco-Phrygian subgroup of Indo-European languages. But... Read more ›

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ScienceDaily
ScienceDaily · 11/25/2024 12:47 EDT

Cyanobacterial circadian clock uses an AM radio-like mechanism to control cellular processes

Cyanobacteria, an ancient lineage of bacteria that perform photosynthesis, have been found to regulate their genes using the same physics principle used in AM radio transmission. Read more ›

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