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ScienceDaily: Plants & Animals News |
| Giant bacteria found in Guadeloupe mangroves challenge traditional concepts Posted: 23 Jun 2022 11:05 AM PDT Researchers describe the morphological and genomic features of a ''macro' microbe' -- a giant filamentous bacterium composed of a single cell discovered in the mangroves of Guadeloupe. Using various microscopy techniques, the team also observed novel, membrane-bound compartments that contain DNA clusters dubbed 'pepins.' |
| Humans can't, but turtles can: Reduce weakening and deterioration with age Posted: 23 Jun 2022 11:05 AM PDT Evolutionary theories of ageing predict that all living organisms weaken and deteriorate with age (a process known as senescence) -- and eventually die. Now, researchers show that certain animal species, such as turtles (including tortoises) may exhibit slower or even absent senescence when their living conditions improve. |
| Silence for thought: Special interneuron networks in the human brain Posted: 23 Jun 2022 11:05 AM PDT Scientists map prominent differences in the neural circuits of mice, monkeys, and human. |
| Shedding light on the impact of microplastics on lentil seedling growth Posted: 23 Jun 2022 08:09 AM PDT Microplastic pollution is known to negatively impact seed germination and seedling growth. Although some studies have demonstrated the effects of microplastics on seed germination, the impact of microplastics on the internal biological activity of seeds remained unknown. Now, a group of researchers has used biospeckle optical coherence tomography to reveal that microplastics significantly hinder the internal activity in lentil seeds during germination and can lead to stunted growth at later stages. |
| It sucked to be the prey of ancient cephalopods Posted: 23 Jun 2022 08:09 AM PDT The Jurassic cephalopod Vampyronassa rhodanica, thought to be the oldest known ancestor of the modern-day vampire squid (Vampyroteuthis infernalis), was likely an active hunter -- a mode of life that is in contrast with its opportunistic descendant. Scientists came to this conclusion after analyzing microtomographic data of this rare fossil. |
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