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ScienceDaily: Plants & Animals News |
| Fasting lowers blood pressure by reshaping the gut microbiota Posted: 29 Apr 2021 09:33 AM PDT For the first time researchers demonstrate that intermittent fasting can reduce hypertension by reshaping the gut microbiota in an animal model. |
| Posted: 29 Apr 2021 09:33 AM PDT Microalgae of the dinoflagellate group have engaged in intracellular symbioses with corals since primeval times. Researchers recently discovered that such symbioses depend on the ability of the algae to suppress the immune system of their host cell and thereby avoid being 'spit out' again. The researchers also found indications that this cellular immune response is an evolutionarily ancient mechanism that is more widespread than previously assumed. |
| Baby's first stool can help predict risk of developing allergies Posted: 29 Apr 2021 08:24 AM PDT Researchers have shown that the composition of a baby's first feces -- a thick, dark green substance known as meconium -- is associated with whether or not a child will develop allergies within their first year of life. By analyzing meconium samples from 100 infants, they show that the development of a healthy immune system and microbiota may start well before a child is born. |
| Scientists propose improvements to precision crop irrigation Posted: 29 Apr 2021 08:23 AM PDT With threats of water scarcity complicating the need to feed a growing global population, it is more important than ever to get crop irrigation right. Overwatering can deplete local water supplies and lead to polluted runoff, while underwatering can lead to sub-optimal crop performance. Yet few farmers use science-based tools to help them decide when and how much to water their crops. |
| Molecular biologists travel back in time 3 billion years Posted: 29 Apr 2021 07:49 AM PDT A research group has succeeded in studying 'translation factors' - important components of a cell's protein synthesis machinery - that are several billion years old. By studying these ancient 'resurrected' factors, the researchers were able to establish that they had much broader specificities than their present-day, more specialized counterparts. |
| Light, in addition to ocean temperature, plays role in coral bleaching Posted: 29 Apr 2021 07:49 AM PDT A study has found that shade can mitigate the effects of heat stress on corals. |
| Time for a mass extinction metrics makeover Posted: 29 Apr 2021 07:49 AM PDT Researchers say the scientific community sorely needs a new way to compare the cascading effects of ecosystem loss due to human-induced environmental change to major crises of the past. |
| Research advances emerging DNA sequencing technology Posted: 29 Apr 2021 07:49 AM PDT Researchers have moved closer toward this goal by developing a nanopore sequencing platform that, for the first time, can detect the presence of nucleobases, the building blocks of DNA and RNA. |
| Avocado discovery may point to leukemia treatment Posted: 29 Apr 2021 07:49 AM PDT A compound in avocados may ultimately offer a route to better leukemia treatment, says a new study. |
| A new strain of a well-known probiotic might offer help for infants' intestinal problems Posted: 29 Apr 2021 06:51 AM PDT A new strain of the Lacticaseibacillus rhamnosus GG probiotic is able to utilise both lactose and casein as well as reproduce in dairy products. The discovery can make it unnecessary to separately add the probiotic to dairy products, in addition to which it could fare better in the intestine, boosting gut health. |
| Mammals evolved big brains after big disasters Posted: 29 Apr 2021 06:02 AM PDT A large study reveals the way relative brain size of mammals changed over the last 150 million years. |
| Is forest harvesting increasing in Europe? Posted: 28 Apr 2021 08:37 AM PDT Is forest harvesting increasing in Europe? Yes, but not as much as reported last July in a controversial study. Forest harvest has increased by just 6% in recent years, not 69% as reported by the European Commission's Joint Research Center. The errors are due to satellite sensitivity and natural disturbances according to a response paper authored by 30 scientists from 13 European countries. |
| Social tensions preceded disruptions in ancient Pueblo societies Posted: 26 Apr 2021 12:48 PM PDT Drought is often blamed for the periodic disruptions of ancient Pueblo societies of the U.S. Southwest, but in a study with potential implications for the modern world, archaeologists found evidence that slowly accumulating social tension likely played a substantial role in three dramatic upheavals in Pueblo development. The findings show that Pueblo farmers often persevered through droughts, but when social tensions were increasing, even modest droughts could spell the end of an era of development. |
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