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| Scientists solve 40-year mystery over Jupiter's X-ray aurora Posted: 09 Jul 2021 04:36 PM PDT Researchers combined close-up observations of Jupiter's environment by NASA's satellite Juno, which is currently orbiting the planet, with simultaneous X-ray measurements from the European Space Agency's XMM-Newton observatory (which is in Earth's own orbit). The X-rays are part of Jupiter's aurora -- bursts of visible and invisible light that occur when charged particles interact with the planet's atmosphere. A similar phenomenon occurs on Earth, creating the northern lights, but Jupiter's is much more powerful, releasing hundreds of gigawatts of energy, enough to briefly power all of human civilization. |
| How otters' muscles enable their cold, aquatic life Posted: 09 Jul 2021 04:35 PM PDT Sea otters are the smallest marine mammal. As cold-water dwellers, staying warm is a top priority, but their dense fur only goes so far. We have long known that high metabolism generates the heat they need to survive, but we didn't know how they were producing the heat -- until now. |
| Molecular underpinnings of a disease affecting corals Posted: 09 Jul 2021 07:42 AM PDT To understand the connection between human activity and a type of tumorlike disease called growth anomalies (GAs) researchers have started using an emerging molecular profiling method to identify 18 small molecules that promise to help them better understand the series of molecular reactions that lead to the disease. |
| Thyroid cancer now diagnosed with machine learning-powered photoacoustic/ultrasound imaging Posted: 09 Jul 2021 07:42 AM PDT A research team performs machine learning-powered photoacoustic/ultrasound imaging for thyroid cancer classification. |
| Virtual learning may help NICU nurses recognize baby pain Posted: 09 Jul 2021 07:42 AM PDT Babies younger than four weeks old, called neonates, were once thought not to perceive pain due to not-yet-fully-developed sensory systems, but modern research says otherwise. |
| Vocal music boosts the recovery of language functions after stroke Posted: 09 Jul 2021 07:42 AM PDT Listening to vocal music is a simple and cost-efficient way of promoting recovery and brain health after a stroke. |
| Computer-assisted biology: Decoding noisy data to predict cell growth Posted: 09 Jul 2021 07:42 AM PDT Researchers used artificial intelligence to obtain a more objective understanding of cell growth and division without preconceived assumptions. Using a deep-learning neural network, they were able to more accurately model the complex processes that affect cell size over time. This work may lead to advances in microbiology and industrial production of microorganisms. |
| The giant panda's mystery revealed Posted: 09 Jul 2021 07:42 AM PDT Although the giant panda is in practice a herbivore, its masticatory system functions differently from the other herbivores. Through the processes of natural selection, the giant panda's dietary preference has strongly impacted the evolution of its teeth and jaws. Researchers have solved the mystery of how the giant panda's special stomatognathic system functions. |
| Physicists take big step in race to quantum computing Posted: 09 Jul 2021 07:41 AM PDT A team of physicists has developed a special type of quantum computer known as a programmable quantum simulator capable of operating with 256 quantum bits, or 'qubits.' |
| Match matters: The right combination of parents can turn a gene off indefinitely Posted: 09 Jul 2021 06:45 AM PDT A new study provides a potential tool for unraveling the mystery of how experiences can cause inheritable changes to an animal's biology. By mating nematode worms, they produced permanent epigenetic changes that lasted for more than 300 generations. |
| Programmable structures from the printer Posted: 09 Jul 2021 06:44 AM PDT Research team develops new method for 3D-printing materials systems that move like a climbing plant. |
| Recess quality influences student behavior, social-emotional development Posted: 09 Jul 2021 06:44 AM PDT Recess quality, not just the amount of time spent away from the classroom, plays a major role in whether children experience the full physical, mental and social-emotional benefits of recess, a new study has found. |
| Human cells: To splice or not to splice. .. Posted: 09 Jul 2021 06:44 AM PDT Scientists investigated the efficiency of splicing across different human cell types. The results were surprising in that the splicing process appears to be quite inefficient, leaving most intronic sequences untouched as the transcripts are being synthesized. The study also reports variable patterns between the different introns within a gene and across cell lines, and it further highlights the complexity of how newly transcripts are processed into mature mRNAs. |
| Stem cells can use same method as plants and insects to protect against viruses Posted: 08 Jul 2021 11:39 AM PDT Researchers have found a vital mechanism, previously thought to have disappeared as mammals evolved, that helps protect mammalian stem cells from RNA viruses such as SARS-CoV-2 and Zika virus. The scientists suggest this could one day be exploited in the development of new antiviral treatments. |
| Tooth loss associated with increased cognitive impairment, dementia Posted: 08 Jul 2021 05:39 AM PDT Tooth loss is a risk factor for cognitive impairment and dementia -- and with each tooth lost, the risk of cognitive decline grows, according to a new analysis. |
| Meta-analysis finds that omega-3 fatty acids improved cardiovascular outcomes Posted: 08 Jul 2021 05:38 AM PDT Investigators conducted a systematic review and meta-analysis of 38 randomized controlled trials of omega-3 fatty acids. Overall, they found that omega-3 fatty acids improved cardiovascular outcomes. Results showed a significantly greater reduction in cardiovascular risk in studies of EPA alone rather than EPA+DHA supplements. |
| 5 million deaths a year caused by global climate related abnormal temps Posted: 07 Jul 2021 03:53 PM PDT The world's largest study of global climate related mortality found deaths related to hot temperatures increased in all regions from 2000 to 2019, indicating that global warming due to climate change will make this mortality figure worse in the future. The international research team looked at mortality and temperature data across the world from 2000 to 2019, a period when global temperatures rose by 0.26C per decade. |
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