Science Advances is an open access journal from AAAS that publishes innovative original research across all disciplines of science freely to a global audience.
Paired with a corresponding gel-assisted chemical etching process, new flexible microneedles enable customizable, minimally invasive observation of soft, dynamically moving tissues.
Learn more in this week’s issue of Science Advances:
Scientists discovered two
#snake
specimens preserved in Late Cretaceous amber from Myanmar, including what they say is the oldest known baby fossilized snake. These samples suggest snakes were more ecologically diverse than previously thought
Women leave academia at higher rates than men at every career stage, and attrition is especially high among three groups: tenured faculty, women in non-STEM fields, and women employed at less prestigious institutions, according to a new analysis.
Scientists have fabricated a deformable, hydrogel-based sensor directly onto a continuously inflating and deflating pig lung, demonstrating a new 3D printing method that estimates surface motion in real time.
In the latest issue: A closer look at the retention rate of LGBQ college students in STEM degrees, new insights into the dwarf planet Ceres' evolution, the discovery of a new subauroral structure, and more
Using mRNA, researchers have developed a promising approach for the intracellular delivery of genes in the eye, which may have the potential to prevent vision loss for inherited retinal diseases.
Learn more in this week’s issue of Science Advances:
Scientists propose the Human Proteoform Project—an initiative to describe a complete set of protein forms expressed from the approximately 20,000 genes encoded in the human genome—as a critical next step in disease research.
A new modeling study suggests
#ClimateChange
may have already doubled the likelihood of catastrophic flooding in California, and future warming will likely result in even greater increases in
#flood
risk.
New research on ants has produced a treasure map for finding hidden biodiversity among other small-range species.
Learn more in this week’s issue of Science Advances:
Scientists have unearthed evidence for a major earthquake that struck Chile’s Atacama Desert about 3800 years ago, triggering not only a tsunami, but serious social disruption.
Vessel noise during oceanic transportation is known to disrupt natural marine life processes. Now, researchers have identified multiple strategies to reduce the area and severity of ships’ impact on marine life.
Learn more in this week’s issue:
New research finds that musical training can make older adults better listeners by preserving youthful brain activity patterns.
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Inspired by the human retina, researchers have created an
#imaging
sensor to detect all visible colors in the spectrum. The device could lead to more efficient and intelligent imaging methods.
Impulsive behavior is associated with the structural integrity of a connection between a major dopamine hub in the midbrain and a decision-making center in the forebrain, a new study reveals.
A new dataset of morphological features from all major lineages of early reptiles, early synapsids, and their close relatives shows how climate crises shaped the early evolution of reptiles.
New research could offer deeper insights into fibroblasts’ role in the foreign body response to implanted medical devices.
Read more in this week’s issue of Science Advances:
Scientists staged a multi-player gambling game and scanned participants’ brains, which illuminated a network of neural structures involved in learning from other people that—it turns out—is separate but linked to how we learn from our own experience.
Researchers have developed a glucose-responsive microneedle patch that enables closed-loop delivery of both insulin and glucagon for
#diabetes
treatment.
Learn more in this week’s issue of Science Advances:
New research uses a
#MachineLearning
approach to reveal insights into the interplay between biological, phenotypic, and environmental factors contributing to premature and healthy pregnancies.
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Conventional super-resolution microscopy often fails to fully capture small details. By combining metal-induced energy transfer and super-resolution microscopy, researchers can clearly image sub-cellular structures in 3D.
Read more in this week's issue:
In a new Editorial, Science Advances Editor Ali Shilatifard argues that long-term investment in basic research by the U.S. government will remain essential as the nation continues recovering from the
#COVID19
pandemic.
Lacking access to biosafety level 3 laboratories, Chilean scientists have developed a pseudotype of the SARS-CoV-2 virus that enables them to safely study neutralizing antibodies.
Researchers have investigated the dispersion patterns of Vibrio cholerae, the causative agent for
#cholera
, and reveal that chaotic transport of micro-swimmers can arise in simple unsteady flows.
Learn more in this week’s issue of Science Advances:
A new software tool, named INTERSTELLAR, can decode data values encoded in theoretically any type of sequencing read and translate them into sequencing reads of another structure of choice.
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Two specific histamine receptors may play an important role in the way the human body responds to exercise, according to a new study that could inform the development of exercise-based therapies.
Researchers analyzed isotopes from a 14,000-year-old female woolly mammoth tusk to reconstruct her past movements and used ancient DNA from her and other mammoths to determine their sex and relatedness.
Read more in this week’s issue of Science Advances:
New research highlights root fungi’s critical role in
#biodiversity
and
#ClimateChange
mitigation.
Learn more in this week’s issue of Science Advances:
With fewer natural predators to contend with, Kenyan chameleons introduced to Oahu, Hawaii, display flashier color signals.
Learn more in this week’s issue of Science Advances:
Tears reveal more than just emotion.
This week, researchers find extracellular vesicles in tears act as immune effectors, maintain retinal homeostasis, and regulate inflammation, revealing rich bioinformation that offers value beyond the ocular system.
New research suggests that dwindling oxygen in the world’s oceans may have been partially responsible for the end-Triassic mass extinction event, one of the “Big Five” extinctions in Earth’s history.
Biomedical engineers introduce a paper-like, battery-free sensor that uses
#AI
to assess wound healing.
The sensor enables a 97% accuracy in early detection of adverse events, such as infection, and could improve wound care management.
@TeeResearchGrp
A new conformable ultrasound breast patch enables precise deep breast tissue scanning that could enable a user-friendly, noninvasive approach to early
#BreastCancer
detection.
Researchers have cataloged silk gene sequences to measure the mechanical, thermal, structural, and hydration properties of the dragline silks of 446 species of spiders.
Learn more in this week’s issue of Science Advances:
Biomedical engineers introduce a paper-like, battery-free sensor that uses
#AI
to assess wound healing.
The sensor enables a 97% accuracy in early detection of adverse events, such as infection, and could improve wound care management.
@TeeResearchGrp
Machine learning techniques are helping researchers to understand the complex set of conditions within the tumor microenvironment and the dynamic changes it undergoes in response to therapies.
Researchers have created a soft
#robotic
platform for minimally invasive procedures that can both stabilize the entrance to the heart and guide existing surgical instruments.
Learn more in this week's issue of Science Advances:
A new cross-disciplinary study establishes the immense complexities of basement membranes and their impact on human health.
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Modern humans and Neanderthals may have coexisted in Europe 54,000 years ago, a stratigraphic timeline of the Tibetan Plateau’s rise, and a sustainable alternative to mining—all new this week in Science Advances:
Researchers have designed an electronic weight loss pill that can induce the illusion of fullness by stimulating the stomach’s “stretch” receptors through vibration, according to a new study in pigs.
By studying human dermal fibroblast-grown de novo microtissues, as depicted here, researchers shed light onto the complex relationships between cells and their extracellular matrix during tissue growth.
Read more in this week’s issue of Science Advances:
New research highlights the critical role of the insulin superfamily in maintaining cognitive health.
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A genomic analysis of virtually all cichlid species in Lake Tanganyika reveals that these fish have an incredibly plastic system for sex determination, which can change more frequently than scientists have observed in any other organism to date.
In chemistry, atom-mapping is a laborious task. But a new method has proved a remarkably fast and accurate alternative and may provide the missing link between data-driven and rule-based approaches for many chemical reaction tasks.
AstraZeneca and the University of Oxford developed their
#COVID19
vaccine based on a chimpanzee adenovirus called ChAdOx1 described in this May Science Advances paper, in which a vaccine that encoded the ChAdOx1 MERS spike protected macaques from MERS.
Indoor air quality is important to human health, yet the ways in which chemicals interact with indoor surfaces are not fully understood. New research is taking a closer look.
Read that study and others now out in Science Advances:
A new wearable “sweatainer” introduces a sweat collection method that aids the collection of multiple, independent pristine sweat samples during vigorous physical activities.
Learn more in this week’s issue of Science Advances:
New research suggests the history of range expansions of modern humans, and not just natural selection, have deeply influenced the patterns of Neanderthal ancestry.
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Researchers have determined that specific single-nucleotide mutations in our ancestral genomes created thousands of gene regulatory elements orchestrating the expression of genes in the brain of modern humans.
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A new
#PhosphorescenceImaging
method uses organic nanoparticles to detect tumor metastases at an early stage. The method could improve the detection of metastasis and improve
#cancer
patient outcomes.
Scientists have used a new high-speed, in vitro selection method to isolate 9 antibody-like proteins that bind to the
#SARSCoV2
virus—4 of which also exhibited neutralizing activity—within 4 days, according to a new study.
Researchers have designed a microneedle patch that allows for more precise targeting of localized diseases and holds clinical potential as a general cell delivery platform.
Learn more in this week’s issue of Science Advances:
Elkhorn coral’s reproductive genesis enabled researchers to study how somatic mutations (DNA alterations to non-germline cells after conception) transfer to offspring.
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Extinct megatooth sharks, commonly known as megalodons, may have been one of the most dominant apex predators in the ancient marine world.
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A new study reveals that elephants have an exceptionally high number of facial neurons—perhaps the most known to any land-dwelling mammal—and scientists are theorizing why.
Researchers have identified a single nucleotide substitution in a gene that causes reduced flower coloration in a self-pollinated monkeyflower species.
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To understand how the pancreatic tumor microenvironment contributes to disease progression, researchers have developed an experimental model allowing for direct, microscopic visualization of human pancreatic tumors.
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Inspired by the human retina, researchers have created an
#imaging
sensor to detect all visible colors in the spectrum. The device could lead to more efficient and intelligent imaging methods.
An update on the controversial DAMA collaboration, the effects of a high-sugar diet on the development of
#schizophrenia
and
#BipolarDisorder
, and more in this week’s Science Advances:
Are U.S. conservatives less able to distinguish truth from falsehoods? A six-month study contains fascinating revelations.
This story, and more, in the new Science Advances:
Vampire bats are the only mammals that feed exclusively on blood—and scientists may have identified the gene losses responsible for this unique evolution.
Programmable dressings that may help wounds heal faster, discovering meteorites using machine learning, and helping frogs regrow their hind legs—all new in this week’s Science Advances:
New research finds in response to stressful conditions, nematode morphs develop an enlarged mouth and engage in cannibalism.
Learn more in this week’s issue of Science Advances:
To meet emerging demands of personalized medicine,
#StemCells
must be made at a large scale while maintaining high quality and low cost.
New research in Science Advances shows an all-in-one sensor system that can continuously monitor stem cell cultures.
Using electron microscopy and deep learning, researchers have unraveled the complex intercellular connections that bridge pairs of cerebellar granule cells throughout the external granular layer of the cerebellum.
Learn more in this week’s issue:
For flying insects like
#Drosophila
, maintaining aerial stability is a constant balancing act. Researchers have identified key roles for two prominent wing steering muscles that fruit flies use to actuate these reflexes.
Read more in this week’s issue:
This week in Science Advances, researchers investigate the effect of ocean alkalinity enhancement, a process that sequesters carbon by increasing ocean alkalinity through the addition of limestone and other alkaline minerals.
Read that study and more:
Nanorobotics researchers developed a glioblastoma (GBM) treatment using magnetic carbon nanotubes and precision magnetic field control, a potential alternative therapy for chemoresistant
#GBM
.
Much of how spatial asymmetry organizes in cells and how cells form organs is still unknown. Two studies propose a mechanism that brings about the asymmetric organization of the cellular membrane from within the cell.
Learn more in this week's issue:
#QuantumKeyDistribution
(QKD) can secure a global satellite network by combining high-clock rate QKD and
#LaserCommunication
technology.
The process can transfer 5.2 Mbit of key in a single satellite pass.
In the wild, octopuses use a combination of controllable adhesives and intricately embedded abilities to manipulate objects underwater. Scientists have now harnessed these abilities to create a wearable glove.
Learn more in this week’s Science Advances:
An analysis of 14 populations encompassing 11 language families in northeast Asia finds a correlation between the grammatical structure of a population’s language and its genetic history.
An inhalable treatment that prevented and eliminated SARS-CoV-2 infections in hamsters, and how the salmon aquaculture industry may have spread a virus to wild salmon populations.
These stories and more, in the new Science Advances:
Newly designed origami-based materials that can become stiffer or more pliable on demand and a novel system for building mechanical metamaterials.
Read what’s new in Science Advances:
Researchers have generated a comprehensive profile to identify potential drug candidates to treat rhabdomyosarcoma, one of the most common types of pediatric cancers.
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Researchers have designed an ultrasonic tweezer that can move a droplet through an opening narrower than its diameter, over a steep slope, and even up a vertical surface.
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A new study based on data from farms and wastewater treatment plants in the United Kingdom finds that habitat and local geography may play a stronger role in the evolution of antimicrobial resistance than bacterial phylogeny or the season.