feed info
151,290 articles from ScienceDaily
Where do 'Hawaiian box jellies' come from?
- ScienceDaily
- 22/5/21 00:12
An insightful cross-disciplinary team, working for over a decade, published a study recently revealing that a key number of hours of darkness during the lunar cycle triggers mature 'Hawaiian box jellyfish' (Alatina alata) to swim to leeward O'ahu shores to spawn.
Unraveling a perplexing explosive process that occurs throughout the universe
- ScienceDaily
- 22/5/21 00:12
Novel simulation brings extraordinary fast radio bursts into the laboratory in a way once thought impossible.
Researchers unveil a secret of stronger metals
- ScienceDaily
- 22/5/21 00:12
Researchers determined exactly what happens as crystal grains in metals form during an extreme deformation process, at the tiniest scales, down to a few nanometers across. The findings could lead to better, more consistent properties in metals, such as hardness and toughness.
FRIDAY 20. MAY 2022
Deciphering the biosynthetic gene cluster for potent freshwater toxin
- ScienceDaily
- 22/5/20 20:47
Scientists discover the enzymes responsible for the production of one of the most toxic and fast-acting neurotoxins associated with freshwater harmful algal blooms in lakes and ponds. The discovery revealed that guanitoxin-producing cyanobacteria are more prevalent than originally known in the United States, opening the possibility for new molecular diagnostic testing to better inform and protect...
Study discovers an underlying cause for infantile spasms and points to a novel therapy
- ScienceDaily
- 22/5/20 20:47
A groundbreaking study has found the underlying cause and a potential treatment for infantile spasms -- intractable epilepsy common in babies and with limited treatment options.
PFAS chemicals do not last forever
- ScienceDaily
- 22/5/20 20:47
Once dubbed 'forever chemicals,' per-and polyfluoroalkyl substances, or PFAS, might be in the market for a new nickname. Adding iodide to a water treatment reactor that uses ultraviolet (UV) light and sulfite destroys up to 90% of carbon-fluorine atoms in PFAS forever chemicals in just a few hours, reports a new study led by environmental engineers. The addition of iodide accelerates the speed of...
Haywire T cells attack protein in 'bad' cholesterol
- ScienceDaily
- 22/5/20 20:47
Detecting these T cells may lead to diagnostics to better detect heart disease--and disease severity--through a blood sample. The knowledge also brings researchers closer to developing a vaccine that dampens this dangerous immune cell activity to prevent atherosclerosis.
Light pollution can disorient monarch butterflies
- ScienceDaily
- 22/5/20 20:46
Biologists say nighttime light pollution can interfere with the remarkable navigational abilities of monarchs, which travel as far as Canada to Mexico and back during their multi-generational migration. Researchers found that butterflies roosting at night near artificial illumination such as a porch or streetlight can become disoriented the next day because the light interferes with their...
Mixing laser- and x-ray-beams
- ScienceDaily
- 22/5/20 20:46
Unlike fictional laser swords, real laser beams do not interact with each other when they cross -- unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In such a case, wave mixing can give rise to beams with changed colors and directions.
New research shows no evidence of structural brain change with short-term mindfulness training
- ScienceDaily
- 22/5/20 20:46
A team found flaws in previous research that purported to show meditation could alter the brain's structure.
Neuromorphic memory device simulates neurons and synapses
- ScienceDaily
- 22/5/20 19:29
Researchers have reported a nano-sized neuromorphic memory device that emulates neurons and synapses simultaneously in a unit cell, another step toward completing the goal of neuromorphic computing designed to rigorously mimic the human brain with semiconductor devices.
Children with same-sex parents are socially well-adjusted
- ScienceDaily
- 22/5/20 19:29
Difficult social and legal conditions are stress factors for same-sex families, but do not affect the behavior of children and young people with same-sex parents, new research suggests.
Study links thalamus inhibition in adolescence to long-lasting cortical abnormalities
- ScienceDaily
- 22/5/20 19:28
Researchers have reported new evidence that cognitive abnormalities seen in neuropsychiatric disorders such as schizophrenia may be traceable to altered activity in the thalamus during adolescence, a time window of heightened vulnerability for schizophrenia.
New research challenges established ideas about infant crying
- ScienceDaily
- 22/5/20 19:28
A research project provides a new understanding of what can be defined as normal and excessive crying among infants.
Climate change likely to reduce the amount of sleep that people get per year
- ScienceDaily
- 22/5/20 19:28
Most research looking at the impact of climate change on human life has focused on how extreme weather events affect economic and societal health outcomes on a broad scale. Yet climate change may also have a strong influence on fundamental daily human activities -- including a host of behavioral, psychological, and physiological outcomes that are essential to wellbeing. Investigators now report...
Function follows form in plant immunity
- ScienceDaily
- 22/5/20 19:28
Scientists have discovered a novel biochemical mechanism explaining how immune proteins defend plants against invading microorganisms.
Killer T vs. memory -- DNA isn't destiny for T cells
- ScienceDaily
- 22/5/20 19:28
Scientists have uncovered how one type of T cell creates two genetically identical, but functionally different, daughter cells.
Research reveals surprising inactivation mechanism for a voltage-gated ion channel
- ScienceDaily
- 22/5/20 19:28
The study from St. Jude Children's Research Hospital presents a new understanding of how a VGIC, crucial for the communication of neurons and muscle cells, can become unresponsive.
Superconductivity and charge density waves caught intertwining at the nanoscale
- ScienceDaily
- 22/5/20 19:28
Scientists discover superconductivity and charge density waves are intrinsically interconnected at the nanoscopic level, a new understanding that could help lead to the next generation of electronics and computers.
Novel preclinical drug could have potential to combat depression, brain injury and cognitive disorders
- ScienceDaily
- 22/5/20 19:28
Scientists have described a novel preclinical drug that could have the potential to combat depression, brain injury and diseases that impair cognition. The drug, which notably is brain-permeable, acts to inhibit the kinase enzyme Cdk5.
Earth's core: Unexpected flow behavior in liquid metals
- ScienceDaily
- 22/5/20 16:13
Some metals are in liquid form, the prime example being mercury. But there are also enormous quantities of liquid metal in the Earth's core, where temperatures are so high that part of the iron is molten and undergoes complex flows. A team has now simulated a similar process in the laboratory and made a surprising discovery: Under certain circumstances, the flow of liquid metal is far more...
Uncovering new details of the brain's first line of defense
- ScienceDaily
- 22/5/20 16:13
A research team has mapped out the development and genetic trajectory of previously understudied macrophages associated with the central nervous system. Among other things, the team found that meningeal macrophages are formed during gestation and develop in the same way as microglia, while perivascular macrophages develop after birth. Their new insights could pave the way for better understanding...
Insomnia in midlife may manifest as cognitive problems in retirement age
- ScienceDaily
- 22/5/20 16:13
According to a new study, long-term insomnia symptoms can pose a risk of poorer cognitive functioning later in life. This is another reason why insomnia should be treated as early as possible.
Satellites and drones can help save pollinators
- ScienceDaily
- 22/5/20 13:31
Satellites and drones can provide key information to protect pollinators. A new study examines new ways of using these technologies to track the availability of flowers, and says this could be combined with behavioral studies to see the world through the eyes of insects.
Snake trade in Indonesia is not sustainable enough -- but it could be
- ScienceDaily
- 22/5/20 13:31
A substantial part of the trade in blood pythons in Indonesia is illegal and underreported, a new study has found. The study found no convincing evidence that the harvest of blood pythons in the area is sustainable. Even though the harvest and trade of the species are regulated by a quota system, misdeclared, underreported and illegal trade remain a serious challenge to its sustainable...
Research brings hope for spinal cord injury treatment
- ScienceDaily
- 22/5/20 13:31
Scientists have shown an existing drug may reduce damage after spinal cord injury, by blocking the inflammatory response in the spinal cord.
'Traffic calming' boosts breeding on coral reefs
- ScienceDaily
- 22/5/20 13:31
Coral reef fish breed more successfully if motorboat noise is reduced, new research shows.
Two pathogens linked to salmon health and survival
- ScienceDaily
- 22/5/20 02:45
Many wild salmon populations in B.C. have experienced substantial declines over the last three decades. New research can help chart a course towards better protection of wild salmon.
Prehistoric feces reveal parasites from feasting at Stonehenge
- ScienceDaily
- 22/5/20 02:45
Study of ancient faeces found at a settlement thought to have housed builders of the famous stone monument suggests that parasites got consumed via badly-cooked cow offal during epic winter feasts.
THURSDAY 19. MAY 2022
Dietary cholesterol worsens inflammation, sickness in mice with influenza
- ScienceDaily
- 22/5/19 22:48
New research suggests high levels of dietary cholesterol make mice sicker when infected with influenza. This study links cholesterol in the diet with exacerbation of a viral infection.
New breathable gas sensors may improve monitoring of health, environment
- ScienceDaily
- 22/5/19 22:19
Newly developed flexible, porous and highly sensitive nitrogen dioxide sensors that can be applied to skin and clothing have potential applications in health care, environmental health monitoring and military use, according to researchers.
Using everyday WiFi to help robots see and navigate better indoors
- ScienceDaily
- 22/5/19 21:01
Engineers have developed a low cost, low power technology to help robots accurately map their way indoors, even in poor lighting and without recognizable landmarks or features. The technology uses WiFi signals, instead of light, to help the robot 'see' where it's going.
Scientists devise method to prevent deadly hospital infections without antibiotics
- ScienceDaily
- 22/5/19 21:01
Some 1.7 million Americans each year acquire hospital infections, resulting in nearly 100,000 deaths from infection-related complications. The biggest culprits: medical devices like catheters, stents and heart valves, whose surfaces often become covered with harmful bacterial films. A novel surface treatment developed by a UCLA-led team of scientists stops microbes from adhering to medical...
Lost or extinct? Study finds the existence of more than 500 animal species remains uncertain
- ScienceDaily
- 22/5/19 21:01
An international study provides the first global evaluation of all terrestrial vertebrate species that have not been declared extinct and identifies more than 500 species considered to be 'lost'--those that haven't been seen by anyone in more than 50 years.
Epilepsy drug stops nervous system tumor growth in mice
- ScienceDaily
- 22/5/19 20:10
People with neurofibromatosis type 1 (NF1) develop tumors on nerves throughout their bodies. Researchers have discovered that nerve cells with the mutation that causes NF1 are hyperexcitable and that suppressing this hyperactivity with the epilepsy drug lamotrigine stops tumor growth in mice.
Scientists reveal how seascapes of the ancient world shaped genetic structure of European populations
- ScienceDaily
- 22/5/19 20:10
Scientists have explored the importance of sea travel in prehistory by examining the genomes of ancient Maltese humans and comparing these with the genomes of this period from across Europe. Previous findings from the archaeological team had suggested that towards the end of the third millennium BC the use of the Maltese temples declined. Now, using genetic data from ancient Maltese individuals...
Some people fared better than others during COVID-19 pandemic due to genetics
- ScienceDaily
- 22/5/19 20:10
Everyone has been impacted by the COVID-19 pandemic, but a new study finds that some individuals weathered the stress of the pandemic better than others, in part, due to their genetics.
Repurposed antibiotic may be an effective therapeutic in COVID-19 infected mice
- ScienceDaily
- 22/5/19 20:10
Repurposed drugs may have a speedier path to clinical use because they have already been shown to be safe in people. A new study suggests clofoctol may be an effective treatment for SARS-CoV-2 infections in mice.
Past events reveal how future warming could harm cold-water corals
- ScienceDaily
- 22/5/19 20:10
How will future warming of the planet impact cold-water corals? A new analysis of ancient evidence from the last major global warming event identifies food and oxygen supply as key environmental factors that influence the vitality of cold-water corals in the North Atlantic Ocean and the Mediterranean Sea.
Genetic risk scores help predict type 2 diabetes in people of south Asian origin, study finds
- ScienceDaily
- 22/5/19 20:10
A polygenic risk score for type 2 diabetes could be used to help predict disease risk and stratify distinct disease subtypes to better allocate healthcare resources.
Discovery of 'ghost' fossils reveals plankton resilience to past global warming events
- ScienceDaily
- 22/5/19 20:10
The 'ghost' fossils are imprints of single-celled plankton called coccolithophores and their discovery is changing our understanding of how plankton in the oceans are affected by climate change.
Is it topological? A new materials database has the answer
- ScienceDaily
- 22/5/19 20:09
A new materials database reveals more than 90,000 known 'topological' materials with persistent electronic properties.
Genetic underpinnings of severe staph infections
- ScienceDaily
- 22/5/19 20:09
Scientists identified a mutated gene common to many patients with life-threatening infections, and found that people living with 5p- syndrome may be at similar risk.
Human behavior is key to building a better long-term COVID forecast
- ScienceDaily
- 22/5/19 20:09
From extreme weather to another wave of COVID-19, forecasts give decision-makers valuable time to prepare. When it comes to COVID, though, long-term forecasting is a challenge, because it involves human behavior.
Environment scientists close in on 'golden spike' to define Anthropocene
- ScienceDaily
- 22/5/19 20:09
Researchers searching for a 'golden spike' to formally define humanity's current geological period -- and acknowledge human impact on our planet -- have announced a major step in their analysis.