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| Artificial intelligence to detect colorectal cancer Posted: 02 Nov 2021 03:05 PM PDT A researcher found that artificial intelligence can accurately detect and diagnose colorectal cancer from tissue scans as well or better than pathologists, according to a new study. |
| An artificial material that can sense, adapt to its environment Posted: 02 Nov 2021 03:05 PM PDT Researchers have developed an artificial material which can respond to its environment, independently make a decision, and perform an action not directed by a human being. For example, a drone making a delivery might evaluate its environment including wind direction, speed or wildlife, and automatically change course in order to complete the delivery safely. The material incorporates 3 main functions also displayed by materials found in nature, such as chameleons changing the color of their skin to blend into their surroundings. |
| Vast patches of glassy rock in Chilean desert likely created by ancient exploding comet Posted: 02 Nov 2021 03:05 PM PDT Heat from a comet exploding just above the ground fused the sandy soil into patches of glass stretching 75 kilometers, a new study found. |
| Unexpected antibody type found in people with malaria infections Posted: 02 Nov 2021 03:05 PM PDT Malaria, a pathogen transmitted into blood by mosquitoes in tropical climates, is typically thought of as a blood and liver infection. However researchers have detected antibodies primarily made in response to infections in the mucous membranes -- in such areas as the lungs, intestines, or vagina -- in study participants with malaria. |
| Pinniped craniofacial musculature provides insight on its role in aquatic feeding Posted: 02 Nov 2021 03:05 PM PDT Pinnipeds -- a group including seals, sea lions and walruses -- are relatively recently derived marine mammals that evolved from terrestrial carnivorans and reentered the marine environment. Their recent adaptations to an amphibious lifestyle make their evolutionary anatomy of particular interest. |
| Energy efficiency instead of long-term storage Posted: 02 Nov 2021 10:17 AM PDT Incorporating energy efficiency measures can reduce the amount of storage needed to power the nation's buildings entirely with renewable energy, according to a recent analysis. |
| Towards self-restoring electronic devices with long DNA molecules Posted: 02 Nov 2021 10:17 AM PDT The potential of DNA structural properties in single-molecule electronics has finally been harnessed by researchers in a single-molecule junction device that shows spontaneous self-restoring ability. Additionally, the device, based on a 'zipper' DNA configuration, shows unconventionally high electrical conductivity, opening doors to the development of novel nanoelectronic devices. |
| Potential strategy for fighting obesity Posted: 02 Nov 2021 09:55 AM PDT Scientists may have identified a method of safely mimicking the weight-loss benefits of a plant compound that -- despite its harmful side effects -- hold critical answers to developing therapies for obesity. |
| Researchers must assume responsibility for halting the global bee decline, experts urge Posted: 02 Nov 2021 09:55 AM PDT The number of wild bees has fallen dramatically since 1990. An expert urges researchers to assume their responsibility and help save the insects who hold the key to upholding human food production. |
| Posted: 02 Nov 2021 09:55 AM PDT After an anterior cruciate ligament reconstruction surgery, it's common to experience quadriceps weakness, which was thought to be caused primarily by muscle atrophy, or shrinkage. |
| Number of premature deaths worldwide caused by consumption in G20 nations Posted: 02 Nov 2021 09:54 AM PDT The haze that blurs a blue sky or a beautiful skyline is caused by particulate matter, often made from pollution, less than 2.5 microns wide. Despite their microscopic size, PM2.5 are responsible for more than 4 million premature deaths every year. A new study shows that the pollution caused by consumption in the world's biggest economies leads to half of those deaths. |
| Not silent yet; the shifting sounds of spring Posted: 02 Nov 2021 09:54 AM PDT Natural sounds, and bird song in particular, play a key role in building and maintaining our connection with nature - but a major new study reveals that the sounds of spring are changing, with dawn choruses across North America and Europe becoming quieter and less varied. An international team of researchers led by the University of East Anglia (UEA) developed a new technique, combining world-leading citizen science bird monitoring data with recordings of individual species in the wild, to reconstruct the soundscapes of more than 200,000 sites over the last 25 years. |
| Scientists identify new antibody for COVID-19 and variants Posted: 02 Nov 2021 08:12 AM PDT An antibody effective against COVID-19 and its variants could provide a template for universal coronavirus vaccination. |
| A life less obvious: Study sheds light on the evolution of underground microbes Posted: 02 Nov 2021 08:12 AM PDT Precambrian cratons -- some of Earth's oldest rocks -- were uninhabitable for microbes for much of their existence, with the longest period of habitability not much beyond a billion years, and many only for the past 50 million to 300 million years, according to a paper correlating Earth's deep biosphere with geologic history. |
| Highways shape the sociology of cities Posted: 02 Nov 2021 08:12 AM PDT The development of transport infrastructure is a central issue for states, which spend billions to connect cities. But what is their real effect on the municipalities concerned? Researchers have looked at the evolution of the income composition of the population of cities in Switzerland once they are connected to the motorway network. By analyzing data from 1950 to 2010, they found that this new accessibility leads to substantial benefits for wealthy people, but indirect costs fall disproportionately on people with low incomes. |
| Too assesses how well people read kids’ emotions Posted: 02 Nov 2021 08:11 AM PDT Psychology researchers have developed and validated a new tool for assessing how accurate people are at recognizing emotion in elementary school-aged children. The technique will facilitate research on understanding emotions of children -- and highlights that adults are often wrong when assessing the emotions of children. |
| Scientists build on AI modeling to understand more about protein-sugar structures Posted: 02 Nov 2021 08:11 AM PDT New research building on AI algorithms has enabled scientists to create more complete models of the protein structures in our bodies - paving the way for faster design of therapeutics and vaccines. |
| Posted: 02 Nov 2021 08:10 AM PDT Exposing male crickets to artificial light at night (ALAN) can impair their activity cycles. According to the researchers, nocturnal chirping is the male's way of calling females to come and mate with him, and its disruption can interfere with reproduction processes and even endanger the entire species. |
| Posted: 02 Nov 2021 06:35 AM PDT A study of rheumatology patients and clinicians has found that while the majority found phone or video consultations more convenient than face-to-face consultations, they viewed so-called telemedicine as less diagnostically accurate than in-person consultations and as having the potential to increase health inequalities and barriers to accessing appropriate care. |
| Mongooses give bullies the cold shoulder Posted: 02 Nov 2021 06:35 AM PDT Dwarf mongooses remember which groupmates have picked fights with others during the day and later shun the aggressors during pre-bedtime socializing sessions, according to new research. |
| Chemo helps breast cancer cells get their ‘foot in the door’ to the lungs Posted: 02 Nov 2021 06:35 AM PDT A new study adds to the evidence that chemotherapy enhances cancer's spread beyond the primary tumor, showing how one chemo drug allows breast cancer cells to squeeze through and attach to blood vessel linings in the lungs. |
| People prefer friendliness, trustworthiness in teammates over skill competency Posted: 02 Nov 2021 06:35 AM PDT People who are friendly and trustworthy are more likely to be selected for teams than those who are known for just their skill competency and personal reputation, according to new research. |
| Baby seals can change their tone of voice Posted: 02 Nov 2021 06:35 AM PDT Hoover the 'talking seal' famously imitated human speech. But can baby seals already adapt their voices to sounds? Researchers have now studied seal pups only a few weeks old. The pups lowered the pitch of their voice when they heard louder noises. This vocal flexibility makes seals an excellent animal model for studying the evolution of human speech. |
| New test to diagnose aggressive childhood brain tumors Posted: 01 Nov 2021 11:17 AM PDT Researchers have developed a new test to more easily diagnose medulloblastoma, the most common malignant childhood brain tumor. The test -- which can distinguish between extremely high-risk medulloblastoma cases that need radiation therapy from those that are lower-risk and do not need radiation -- could help pave the way for personalized treatment options for children suffering from the disease. It relies on an antibody-based technique called immunohistochemistry which is widely available in clinical laboratories around the world. |
| Climate change to stir up global agriculture within next decade Posted: 01 Nov 2021 11:15 AM PDT New computer simulations predict deep changes in growing conditions affecting the productivity of major crops already within the next 10 years if current global warming trends continue. Maize crop yields are projected to decline by almost a quarter by the end the century, while wheat could potentially see global yield increases of about 17%. Current key breadbasket regions will see severe changes much quicker than previously expected, requiring farmers around the world to adapt to new climate realities now. |
| Mammals’ noses come from reptiles’ jaws Posted: 01 Nov 2021 07:54 AM PDT New examinations of skeletons and animal embryos have allowed researchers to discover how mammals developed protruding, flexible noses. This study contributes to uncovering the origin of mammals' strong sense of smell and creates the potential for new animal models, like chickens or frogs, that are often used in lab experiments to investigate facial development disorders such as cleft palate. |
| Posted: 01 Nov 2021 07:53 AM PDT A team of engineers has invented new technology that could forever change the manufacturing of wearable, electronic sensors. They've figured out a way to speed up production without having to use polymer binders -- the industry standard in printing flexible sensors, which are often used to monitor vital signs in health care settings. |
| Spiders' web secrets unraveled Posted: 01 Nov 2021 07:53 AM PDT Researchers discovered precisely how spiders build webs by using night vision and artificial intelligence to track and record every movement of all eight legs as spiders worked in the dark. Their creation of a web-building playbook or algorithm brings new understanding of how creatures with brains a fraction of the size of a human's are able to create structures of such elegance, complexity and geometric precision. |
| Is ski tourism heading downhill due to climate change? Posted: 01 Nov 2021 07:49 AM PDT Is ski tourism on a downward slope or can winter holiday resorts weather the ongoing impact of climate change? Researchers investigated the impacts of melting snow and ice on the future of tourism. |
| Increased frequency of extreme ice melting in Greenland raises global flood risk Posted: 01 Nov 2021 06:48 AM PDT Global warming has caused extreme ice melting events in Greenland to become more frequent and more intense over the past 40 years according to new research, raising sea levels and flood risk worldwide. |
| Men experience more emotional pain during breakups Posted: 01 Nov 2021 06:48 AM PDT The stereotype of men being less emotionally invested in relationships than women may not be accurate, say psychologists. A new study of online relationship support finds that men tend to experience emotional pain more than women when their relationship takes a turn for the worse. |
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