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ScienceDaily: Plants & Animals News |
| Does cold wildfire smoke contribute to water repellent soils in burned areas? Posted: 25 May 2021 01:08 PM PDT After a wildfire, soils in burned areas often become water repellent, leading to increased erosion and flooding after rainfall events - a phenomenon that many scientists have attributed to smoke and heat-induced changes in soil chemistry. But this post-fire water repellency may also be caused by wildfire smoke in the absence of heat, according to a new article. |
| Silver attacks bacteria, gets 'consumed' Posted: 25 May 2021 08:37 AM PDT As antibiotic-resistant bacteria become more prevalent, silver has seen steep growth in its use in things like antibacterial coatings. Still, a better understanding can provide clues on how to best apply it. Researchers have now monitored the interaction of silver nanoparticles with a nearby E. coli culture and found the silver undergoes several dramatic changes. Most notably, the E. coli cells caused substantial transformations in the size and shape of the silver particles. |
| How to boost muscle regeneration and rebuild tissue Posted: 25 May 2021 08:37 AM PDT In work that could one day help athletes as well as aging adults regenerate tissue more effectively, scientists increased the regeneration of muscle cells in mice by activating the precursors of muscle cells. |
| Immune cells imperfect at distinguishing between friend and foe Posted: 25 May 2021 08:37 AM PDT When it comes to distinguishing a healthy cell from an infected one that needs to be destroyed, the immune system's killer T cells sometimes make mistakes. |
| The hunt for drugs to neutralize critical enzymes Posted: 25 May 2021 08:36 AM PDT Scientists explore racemases and propose strategies for finding drugs that target these important enzymes. |
| From harmless skin bacteria to dreaded pathogens Posted: 25 May 2021 07:17 AM PDT An international research team discovers additional component in staphylococcal cell wall that turns the bacterium potentially deadly. |
| Egyptian fossil surprise: Fishes thrived in tropics in ancient warm period, despite high ocean temps Posted: 25 May 2021 07:17 AM PDT The Paleocene-Eocene Thermal Maximum, or PETM, was a short interval of highly elevated global temperatures 56 million years ago that is frequently described as the best ancient analog for present-day climate warming. |
| Conservation success leads to new challenges for endangered mountain gorillas Posted: 25 May 2021 07:16 AM PDT The first species-wide survey of parasite infections across the entire range of the mountain gorilla indicates new challenges ahead for the endangered species as its population grows. |
| Road verges provide opportunity for wildflowers, bees and trees Posted: 25 May 2021 07:16 AM PDT Road verges cover 1.2% of land in Great Britain - an area the size of Dorset - and could be managed to help wildlife, new research shows. |
| Experimental broadcast of whitewater river noise drives bats and birds away Posted: 24 May 2021 06:19 AM PDT The thunder of a mountain river or the crash of pounding surf have likely been changing how animals communicate and where they live for eons. A new experimental study finds that birds and bats often avoid habitat swamped with loud whitewater river noise. |
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