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ScienceDaily: Plants & Animals News |
| What did Megalodon eat? Anything it wanted -- including other predators. Posted: 22 Jun 2022 01:45 PM PDT Megalodon sharks, which went extinct about 3 million years ago, were three times longer than modern great white sharks and were apex predators at highest trophic level ever measured. Researchers used the traces of nitrogen trapped in shark tooth enamel to calculate the trophic levels of the prehistoric predators. |
| Process to customize molecules does double duty Posted: 22 Jun 2022 01:45 PM PDT Chemists developed a method to add two fragments to an alkene molecule in a single process. The discovery could simplify drug and materials design. |
| How humans evolved to get along (to extent that we do) Posted: 22 Jun 2022 11:19 AM PDT The research shows that four neighboring groups of bonobos they studied at the Kokolopori Bonobo Reserve in the Democratic Republic of Congo maintained exclusive and stable social and spatial borders between them, showing they are indeed part of distinct social groups that interact regularly and peacefully with each other. |
| Posted: 22 Jun 2022 10:07 AM PDT To identify variations in climate across Maine wild blueberry fields at different times of the day and year, researchers analyzed annual and seasonal data from 1980-2020 for Washington, Hancock, Piscataquis, Waldo, Knox, Lincoln, Kennebec and York counties. They found that location, season and the time of day influence how fast temperatures are rising at wild blueberry fields due to climate change. |
| Deletion of Wt1 gene produces alterations in the reproductive organs of mice Posted: 22 Jun 2022 08:31 AM PDT The deletion of the Wt1 gene during the early stages of the embryonic reproductive organ formation leads to differences in sex development in adult mice, according to a new study. |
| When the world of nanotechnology and microbreweries meet Posted: 22 Jun 2022 08:31 AM PDT Researchers have shown that microbrewery waste can be used as a carbon source to synthesize quantum dots. |
| Posted: 22 Jun 2022 08:31 AM PDT How hard can insects bite? Having a strong chewing apparatus makes it easier to crush harder food and to succeed in fights with enemies. Biologists now present a mobile system (forceX) for measuring the bite forces of small animals, along with the software forceR to evaluate the data. This allows to understand how bite forces, for example of insects, evolved. |
| Tree species diversity under pressure Posted: 22 Jun 2022 08:31 AM PDT A new global study of 46,752 tree species shows that many of them are under substantial pressure and poorly protected. The research team has also studied how this situation can be improved by ambitious and smart designation of new protected areas. |
| Tapping the ocean as a source of natural products Posted: 22 Jun 2022 08:31 AM PDT Using DNA data, researchers have examined seawater to find not only new species of bacteria, but also previously unknown natural products that may one day prove beneficial. |
| The secret lives of mites in the skin of our faces Posted: 22 Jun 2022 07:14 AM PDT A full DNA analysis of mites that live in the hair follicles of all humans reveals explanations for their bizarre mating habits, body features and evolutionary future. Inbreeding and isolation means they have shed genes and cells and are moving closer to a permanent existence with us. |
| Custom suits for worms that really deliver Posted: 22 Jun 2022 07:13 AM PDT Researchers have found that nematodes can be coated with a protective hydrogel sheath that can be engineered to carry functional cargo. This system could potentially be developed to deliver anti-cancer drugs to tumors using worms with a natural predilection for human cancer cells. |
| Mugwort allergy: Study creates basis for vaccine Posted: 22 Jun 2022 07:13 AM PDT A research team has discovered key mechanisms of allergy to pollen from the common weed mugwort, thereby also laying the foundation for the development of the world's first vaccine. Mugwort (Artemisia vulgaris) poses a serious problem for allergic individuals in certain latitudes from July through to September. Currently, the symptoms, which often lead to asthma, can only be treated symptomatically. The recent findings are an essential first step toward causal therapy and prevention of mugwort pollen allergy. |
| PICASSO technique drives biological molecules into technicolor? Posted: 22 Jun 2022 07:13 AM PDT Pablo Picasso's surreal cubist artistic style shifted common features into unrecognizable scenes, but a new imaging approach bearing his namesake may elucidate the most complicated subject: the brain. Employing artificial intelligence to clarify spectral color blending of tiny molecules used to stain specific proteins and other items of research interest, the PICASSO technique, allows researchers to use more than 15 colors to image and parse our overlapping proteins. |
| Researchers discover a new receptor regulating sebaceous gland progenitor cell function Posted: 22 Jun 2022 07:13 AM PDT Stem cells and progenitor cells play an important role in the renewal of multiple tissues. Scientists have discovered a molecule called embigin on the surface of epithelia progenitor cells and proven its significance to sebaceous gland function. |
| Can we save more lives if we let resistant bacteria live? Posted: 22 Jun 2022 07:13 AM PDT Every day, people die of simple inflammation because bacteria can no longer be killed with antibiotics. So what do we do? Maybe we should spend less energy on killing them and more on 'only' making them harmless while they are in our body, researchers suggest. |
| Human cells take in less protein from a plant-based 'meat' than from chicken Posted: 22 Jun 2022 07:13 AM PDT Many people have now embraced the plant-based 'meat' movement. Plants high in protein, such as soybeans, are common ingredients, but it's been unclear how much of the nutrient makes it into human cells. Researchers now report that proteins in a model plant-based substitute were not as accessible to cells as those from meat. The team says this knowledge could eventually be used to develop more healthful products. |
| Researchers make virus-fighting face masks Posted: 21 Jun 2022 03:45 PM PDT Researchers have developed an accessible way to make N95 face masks not only effective barriers to germs, but on-contact germ killers. The antiviral, antibacterial masks can potentially be worn longer, causing less plastic waste as the masks do not need to be replaced as frequently. |
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