Life Sciences

Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Why did some ancient animals fossilize while others vanished?

Why do some ancient animals become fossils while others disappear without a trace? A new study from the University of Lausanne, published in Nature Communications, reveals that part of the answer lies in the body itself. The research shows that an animal’s size and chemical makeup can play an important role in determining whether it’s […]
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  1. Life Sciences

New Alkali-tolerant and Halo-tolerant Nocardiopsis Strain…

A newly characterized actinobacterial strain, designated B20, displayed remarkable tolerance to extreme pH and NaCl conditions, while showcasing a diversity in carbon source utilization. Phylogenetic analysis confirmed its taxonomic assignment within the genus Nocardiopsis. However, several physiological features were found to differentiate B20 from its most closely related Nocardiopsis species. Notably, Nocardiopsis sp. B20 demonstrated […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Giant croclike carnivore fossils found in the Caribbean

Imagine a crocodile built like a greyhound — that’s a sebecid. Standing tall, with some species reaching 20 feet in length, they dominated South American landscapes after the extinction of dinosaurs until about 11 million years ago. Or at least, that’s what paleontologists thought, until they began finding strange, fossilized teeth in the Caribbean. “The […]
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  1. Life Sciences

The Haemostatic Profile in COVID-19 Patients

This study’s goal was to identify the haemostatic profile of COVID-19 patients and their relationships to disease severity and death rates. 163 COVID-19 patients were enrolled in the research, and their diagnoses were made using PCR, common symptoms, and radiological findings (CT). Patients that were hospitalized to Ali Boushaba Public Hospitalier Khenchela’s Infectology Service in […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Study on the reproducibility of behavioral experiments with insects now published

A recent study provides evidence that some results of behavioural experiments with insects cannot be fully reproduced. So far, possible reproducibility problems have been little discussed in this context. If an experiment is repeated under similar conditions, the results should be the same. In reality, the situation is often different — scientists speak of a […]
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  1. Life Sciences

Exploring the Understanding of the Health Effects of…

Self-medication is an increasing global public health issue that affects both low and middle-income countries and developed nations. The residents of Port Harcourt, Nigeria, face a serious malaria problem and have limited access to healthcare. Consequently, many of them resort to self-medication to treat the disease. The purpose of this study was to assess the […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Animal energy usage made visible through video

Energy scarcity is a central driver of animal behavior and evolution. The amazing diversity of life on this planet is a testament to the plethora of novel biological solutions to the problem of securing and maintaining energy. However, despite being so central to biology, it remains difficult to quantify, and thereby empirically analyze, energy consumption. […]
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  1. Life Sciences

Floristic and Ecological Study of Erica arborea L. in the…

This work focuses on clusters in Erica arborea L in western Algeria. To understand the floristic diversity of groups in Erica arborea. A floristic analysis was carried out based on floristic surveys on three regions in western Algeria according to an aridity gradient. This allowed us initially to count 100 species belonging to 75 genera […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

One gene defines the many patterns of snake skin

In many animals, skin colouration and its patterns play a crucial role in camouflage, communication, or thermoregulation. In the corn snake, some morphs display red, yellow, or pink blotches, and their dorsal spots can merge or turn into stripes. But which genetic and cellular mechanisms determine these colourful patterns? A team from the University of […]
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  1. Life Sciences

Floristic Diversity of Zygophyllum album Communities…

Zygophyllum album L. (Zygophyllaceae) is a species of arid and hyperarid zones that has been the subject of many biochemical, pharmaceutical, and medicinal studies, but this species is largely unknown ecologically. This work aims to study the diversity and describe the characteristics of the functional traits of plant species of Zygophyllum album communities associated with […]
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Good Reads

Mammals didn't walk upright until late—here's what fossils reveal

Mammals didn’t walk upright until late—here’s what fossils reveal

For over a century, scientists have puzzled over a fundamental mystery in our evolutionary history: how did mammals go from sprawling like lizards to striding like cats and dogs? This transition — from a sprawled stance (like a lizard) to an upright (parasagittal) posture — marked a pivotal moment in mammal evolution. While the earliest […]
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A coordinated kinase and phosphatase network regulates Stu2 recruitment to yeast kinetochores

Cells coordinate diverse events at anaphase onset, including separase activation, cohesin cleavage, chromosome separation, and spindle reorganization. Regulation of the XMAP215 family member and microtubule polymerase, Stu2, at the metaphase-anaphase transition determines a redistribution from kinetochores to spindle microtubules. We show that cells modulate Stu2 kinetochore-microtubule localization by Polo-like kinase1/Cdc5-mediated phosphorylation of T866, near the […]
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Worlwide

Mammals didn't walk upright until late—here's what fossils reveal

Mammals didn’t walk upright until late—here’s what fossils reveal

For over a century, scientists have puzzled over a fundamental mystery in our evolutionary history: how did mammals go from sprawling like lizards to striding like cats and dogs? This transition — from a sprawled stance (like a lizard) to an upright (parasagittal) posture — marked a pivotal moment in mammal evolution. While the earliest […]
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A coordinated kinase and phosphatase network regulates Stu2 recruitment to yeast kinetochores

Cells coordinate diverse events at anaphase onset, including separase activation, cohesin cleavage, chromosome separation, and spindle reorganization. Regulation of the XMAP215 family member and microtubule polymerase, Stu2, at the metaphase-anaphase transition determines a redistribution from kinetochores to spindle microtubules. We show that cells modulate Stu2 kinetochore-microtubule localization by Polo-like kinase1/Cdc5-mediated phosphorylation of T866, near the […]
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