Evolution
How chromosomes evolve to create new forms of life
3-D printing is a universal process in the sense that pretty much any part that can be drawn up in a CAD program can be printed, at least within a certain resolution. Machining a part on a mill or lathe, while having the ...
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Astronomy
Astronomers discover new candidate redback millisecond pulsar
Astronomers report the finding of a new candidate redback millisecond pulsar (MSP) binary associated with a gamma-ray source known as 4FGL J0940.3–7610. The newly found object is a short-period compact binary exhibiting ...
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High-resolution structures of the archaerhodopsin-3 protein shed new light on receptor desensitization
For the first time, an international team of researchers has visualized the light-sensitive protein archaerhodopsin-3 (AR3) at unprecedented resolution using the I24 and B23 beamlines at Diamond Light Source. The photoreceptor ...
Biochemistry
40 minutes ago
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Ultra-absorptive nanofiber swabs could improve SARS-CoV-2 test sensitivity
Rapid, sensitive diagnosis of COVID-19 is essential for early treatment, contact tracing and reducing viral spread. However, some people infected with SARS-CoV-2 receive false-negative test results, which might put their ...
Bio & Medicine
1 hour ago
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New method shows promise in identifying disease-fighting drug targets
A new method of identifying molecular targets to fight disease could help accelerate future drug development new Griffith University research published in Scientific Reports has found.
Cell & Microbiology
1 hour ago
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Mathematical model verifies a correct understanding of epidemic's severity
A research team led by City University of Hong Kong (CityU) has built a mathematical model to explore and analyze the relationship between disease transmission, people's awareness about the disease and their resulting behaviors, ...
General Physics
1 hour ago
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14
Researchers reveal recipe for engineering ribosomes
Ribosomes are complex molecular machines in the cell that catalyze the production of proteins. Ahmed Badran, a Broad Fellow at the Broad Institute of MIT and Harvard, and his lab aim to engineer new kinds of ribosomes that ...
Biotechnology
1 hour ago
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OSIRIS-REx mission plans for May asteroid departure
Since its launch in September 2016, the OSIRIS-REx spacecraft has traveled billions of miles, mapped the surface of an asteroid in unprecedented detail, and made new scientific discoveries about near-Earth asteroids. Now, ...
Space Exploration
1 hour ago
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14
Ancient proteins help track early milk drinking in Africa
Tracking milk drinking in the ancient past is not straightforward. For decades, archaeologists have tried to reconstruct the practice by various indirect methods. They have looked at ancient rock art to identify scenes of ...
Archaeology
1 hour ago
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An individual's personality does not lie in their behavior or their genes but in the brain: study
Do you value courage and bravery or intelligence and learning? Your answer may indicate whether you end up in Gryffindor or Ravenclaw, according to a Harry Potter-themed personality test. Other tests purport to tell you which ...
Psychology & Psychiatry
41 minutes ago
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Medical Xpress
Ask the Pediatrician: How can I help my child, who has a developmental disability, during the pandemic?
COVID-19: Northland case is a reminder NZ's 'dumb good luck' may run out
Long-term study reveals harm in regular cannabis use
Engineering and artificial intelligence combine to safeguard patients' lives
Commuting patterns could explain higher incidence of COVID-19 in Black Americans
China deploys anal swabs to test for COVID-19
Sanofi 'proud' to help make rivals' vaccines
Study profiles immune cells fighting COVID-19, may help guide next-gen vaccine development
UK to impose hotel quarantine for returning Britons
EU rejects AstraZeneca vaccine contract claims
Life-threatening complications during pregnancy: greater long-term risk of death
100 mn cases worldwide, as US seeks to reset its COVID fight
Moscow eases coronavirus restrictions as cases fall
Tech Xplore
A responder's critical path
Sustainable electric aircraft
Volta Trucks set to launch urban electric lorry
Newly found Fukushima plant contamination may delay cleanup
Chess engine sacrifices mastery to mimic human play
EU approves more state aid to boost car batteries industry
Smart algorithm cleans up images by searching for clues buried in noise
Keeping a clean path: Doubling the capacity of solid-state lithium batteries
Engineers make smart plugs smarter
How blood stem cells maintain their lifelong potential for self-renewal
A characteristic feature of all stem cells is their ability to self-renew. But how is this potential maintained throughout life? Scientists at the German Cancer Research Center (DKFZ) and the Heidelberg Institute for Stem ...
Cell & Microbiology
1 hour ago
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Epigenetic mechanisms that regulate macrophage inflammation discovered
How do cis-regulatory genome elements regulate gene expression, what are the critical components involved, and can we therapeutically target them? By investigating how corepressors modulate enhancers and silencers during ...
Genetics
1 hour ago
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Genome-editing tool TALEN outperforms CRISPR-Cas9 in tightly packed DNA
Researchers used single-molecule imaging to compare the genome-editing tools CRISPR-Cas9 and TALEN. Their experiments revealed that TALEN is up to five times more efficient than CRISPR-Cas9 in parts of the genome, called ...
Biotechnology
4 hours ago
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Carbon-chomping soil bacteria may pose hidden climate risk
Much of the earth's carbon is trapped in soil, and scientists have assumed that potential climate-warming compounds would safely stay there for centuries. But new research from Princeton University shows that carbon molecules ...
Environment
4 hours ago
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Solar material can 'self-heal' imperfections, new research shows
A material that can be used in technologies such as solar power has been found to self-heal, a new study shows.
Materials Science
5 hours ago
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Pace of prehistoric human innovation could be revealed by 'linguistic thermometer'
Multi-disciplinary researchers at The University of Manchester have helped develop a powerful physics-based tool to map the pace of language development and human innovation over thousands of years—even stretching into ...
Social Sciences
5 hours ago
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144
Partners in crime: Genetic collaborator may influence severity of the rare disease, NGLY1
In 2012, four-year-old Bertrand Might became the first-ever patient diagnosed with a rare genetic disorder called N-glycanase (NGLY1) deficiency. The discovery of this condition and Bertrand's diagnosis allowed doctors to ...
Genetics
5 hours ago
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Commuting patterns could explain higher incidence of COVID-19 in Black Americans
The disproportionately high COVID-19 infection rates observed in Black Americans could be linked to their daily commuting patterns, according to a new study published today in the Journal of the Royal Society Interface.
Diseases, Conditions, Syndromes
5 hours ago
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A technique to estimate emotional valence and arousal by analyzing images of human faces
In recent years, countless computer scientists worldwide have been developing deep neural network-based models that can predict people's emotions based on their facial expressions. Most of the models developed so far, however, ...
Extreme black holes have hair that can be combed
Black holes are considered amongst the most mysterious objects in the universe. Part of their intrigue arises from the fact that they are actually among the simplest solutions to Einstein's field equations of general relativity. ...
Astronomy
16 hours ago
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Keystone XL legal risks highlight dangers of putting investors before climate change
The chickens have come home to roost for Alberta Premier Jason Kenney. Kenney bet around $1.5 billion of public money on a very risky prospect—the highly controversial Keystone XL pipeline.
Domestic violence soars after natural disasters—prevention needs to be part of the emergency response
Domestic and family violence soars in the months and years following natural disasters. It usually involves physical and psychological violence perpetrated by men against women and children, but it can also include an escalation ...
It's bee season. To avoid getting stung, just stay calm and don't swat
This summer's wetter conditions have created great conditions for flowering plants. Flowers provide sweet nectar and protein-rich pollen, attracting many insects, including bees.
Pandemic schmandemic: Investigating the linguistic quirk that lifts the mood
"COVID schmovid! What's the worst that could happen, right?" When people are living through dark times, they use humor to lighten the mood, and a particular linguistic quirk has been explored in an article co-authored by ...
Detecting trace amounts of multiple classes of antibiotics in foods
Widespread use of antibiotics in human healthcare and livestock husbandry has led to trace amounts of the drugs ending up in food products. Long-term consumption could cause health problems, but it's been difficult to analyze ...
Putting bugs on the menu, safely
The thought of eating insects is stomach turning for many, but new Edith Cowan University (ECU) research is shedding light on allergy causing proteins which could pose serious health risks for those suffering from shellfish ...
A CubeSat will test out water as a propulsion system
Novel propulsion systems for CubeSats have been on an innovative tear of late. UT has reported on propulsion systems that use everything from solid iodine to the Earth's own magnetic field as a way of moving a small spacecraft. ...
Genome sequences for two wild tomato ancestors
Tomatoes are one of the most popular types of fresh produce consumed worldwide, as well as being an important ingredient in many manufactured foods.
Philippine forest trees threatened by deforestation and climate change
The tree species in the Dipterocarpaceae family dominate many tropical forest formations in Southeast Asia (see Figure 1). The Philippines is home to more than 50 dipterocarp tree species, of which 25 cannot be found anywhere ...
Arctic ocean expedition advances climate modeling
As the climate warms and Arctic sea ice retreats, more research vessels and commercial ships are sailing into the Arctic Ocean, but the accuracy and sensitivity of regional weather and marine forecasts for these hazardous ...
Not obese after all: Captive Asian elephants less fat than average human
When Daniella Chusy, currently at Indiana University, U.S., learned that many captive elephants were thought to be overweight and that their low birth rates suggested that they may be facing a fertility crisis, she began ...
Biden poised to halt fossil fuel leasing on federal land
US President Joe Biden was planning to announce new bans on oil and gas drilling on federal lands Wednesday as part of a raft of actions that take aim at climate change, according to reports and a White House memo.
Indonesian volcano unleashes river of lava in new eruption
Indonesia's most active volcano erupted Wednesday with a river of lava and searing gas clouds flowing 1,600 meters (5,250 feet) down its slopes.
Harpy eagles could be under greater threat than previously thought
Harpy eagles are considered by many to be among the planet's most spectacular birds. They are also among its most elusive, generally avoiding areas disturbed by human activity—therefore already having vanished from portions ...
Making wheat and peanuts less allergenic
The United States Department of Agriculture identifies a group of "big eight" foods that causes 90% of food allergies. Among these foods are wheat and peanuts.
The naming of Tooley crater
Like Einstein, Galileo, and Copernicus, former NASA program manager Craig Tooley now has a place on the Moon named in his honor. Tooley crater is a 7 km crater in a permanently shadowed region of Shoemaker crater near the ...
World's largest opinion survey on climate change: Majority call for wide-ranging action
The results of the Peoples' Climate Vote, the world's biggest ever survey of public opinion on climate change are published today. Covering 50 countries with over half of the world's population, the survey includes over ...
Cell 'bones' mystery solved with supercomputers
Our cells are filled with 'bones,' in a sense. Thin, flexible protein strands called actin filaments help support and move around the bulk of the cells of eukaryotes, which includes all plants and animals. Always on the go, ...
Ocean toxin a heartbreaking threat for sea otters
Heart disease is a killer threat for southern sea otters feasting on domoic acid in their food web, according to a study led by the University of California, Davis.
Southern Africa's most endangered shark just extended its range by 2,000 kilometers
A team of marine scientists led by the Wildlife Conservation Society (WCS) has confirmed that southern Africa's most threatened endemic shark—the Critically Endangered shorttail nurse shark (Pseudoginglymostoma brevicaudatum) ...
