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| After thousands of years, an iconic whale confronts a new enemy Posted: 17 Dec 2021 07:27 AM PST The iconic tusked whale of the Arctic has a new enemy -- noise. A unique study shows that narwhals are highly affected by noise from ships and seismic airgun pulses -- even at 20-30 kilometers away. As ice melts, noise levels in the Arctic are rising, worrying scientists about the future of narwhals. |
| Research breakthrough could see HIV drugs used to treat low-grade brain tumors Posted: 17 Dec 2021 07:27 AM PST Drugs developed to treat AIDS and HIV could offer hope to patients diagnosed with the most common form of primary brain tumor. The breakthrough is significant because, if further research is conclusive, the anti-retroviral drugs could be prescribed for patients diagnosed with meningioma and acoustic neuroma brain tumors (also known as schwannoma). |
| New research sheds light on how ultrasound could be used to treat psychiatric disorders Posted: 17 Dec 2021 07:27 AM PST A new study has shown how the brain gives credit to events, along with how transcranial ultrasound (TUS) can disrupt this process. While currently developed in an animal model, this line of research and the use of TUS could one day be applied to clinical research to tackle conditions such as addiction. |
| One algorithm to rule decision-making Posted: 17 Dec 2021 07:27 AM PST Researchers uncover a single rule for how animals make spatial decisions while on the move. |
| Limited brain capacity in humans and birds Posted: 17 Dec 2021 07:27 AM PST Birds and humans have very different networks of neurons in their brains. Nevertheless, their working memory is limited by similar mechanisms. |
| Pioneering new technique to barcode cells Posted: 17 Dec 2021 07:27 AM PST Scientists have developed a pioneering new technique to barcode individual cells more accurately and efficiently - which could help pave the way for quicker disease diagnosis. |
| Addiction relapse driven by drug-seeking habit, not just drug Posted: 17 Dec 2021 07:27 AM PST Why are some individuals able to use recreational drugs in a controlled way, whereas others switch to the compulsive, relapsing drug-seeking and -taking habits that characterize substance use disorder (SUD)? Despite more than six decades of extensive research, the question remains unanswered, hampering the development of targeted prevention and therapeutic strategies. Now, a new study in rats has identified the maladaptive nature of drug-seeking habits and how they contribute to the perpetuation of addiction by promoting the tendency to relapse. |
| Perovskite solar cell with ultra-long stability Posted: 17 Dec 2021 07:22 AM PST Perovskites are the great hope for further increasing the efficiency of solar modules in the future. Until now, their short service life has been considered the biggest hurdle to their practical use, but this could soon change. Researchers now present a variant that stands out for its stability. |
| New hiding place for antibiotic resistance Posted: 16 Dec 2021 12:02 PM PST Genes that make bacteria resistant to antibiotics can persist longer than it was previously believed. This was recently shown in a new study that reports a previously unknown hiding place for these genes. The finding represents a new and important piece in the puzzle to understand how bacterial antibiotic resistance works. |
| Specific components of air pollution identified as more harmful than others Posted: 16 Dec 2021 12:01 PM PST Ammonium is one of the specific components of fine particulate matter (PM2.5), that has been linked to a higher risk of death compared to other chemicals found in it, according to a new study. |
| Insects: How farmers can be better engaged in species conservation Posted: 16 Dec 2021 12:01 PM PST While farmers have the capacity to drive species conservation worldwide, their true potential is yet to be fully realized. An international team of researchers shows how this can change. The researchers interviewed 560 farmers around the world to find out what they know about their local pollinator diversity and their engagement in the issue. The results offer important insights for politics and science. |
| Stem cells organize themselves into embryoid Posted: 16 Dec 2021 12:01 PM PST Researchers have developed a method to generate embryo-like cell complexes from the stem cells of mice. The method provides new insights into embryonic development. In the medium term, it might also be suitable for developing tests for substances that could be harmful to fertility. |
| Snow drought research finds predictability in uncertainty Posted: 16 Dec 2021 12:00 PM PST As climate change makes periods of record low snow more frequent, a new study helps to bridge disagreement over how to measure snow depth and how to define snow drought. |
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