Researchers have found a way to charge up the fight against bacterial infections using electricity. Scientists have developed a dressing that uses an electric field to disrupt biofilm infection in wounds.
A detailed new model of a bacterial secretion system provides directions for developing precisely targeted antibiotics.
A multidisciplinary team has provided new insight into underlying mechanisms controlling the precise size of cells. The researchers found that 'the adder,' a function that guides cells to grow by a fixed size from birth to division, is controlled by specific proteins that accumulate to a threshold.
New discoveries made at the Klasies River Cave in South Africa's southern Cape, where charred food remains from hearths were found, provide the first archaeological evidence that anatomically modern humans were roasting and eating plant starches, such as those from tubers and rhizomes, as early as 120,000 years ago.
The Zika virus outbreak in Latin America has affected over 60 million people up to now. The infection can have potentially fatal consequences for pregnant women and their unborn children: many children have subsequently been born with malformations of the head (microcephaly). A particularly high incidence of these Zika-associated malformations exists in northeastern Brazil. Scientists tried to find out the reasons for this regional cluster and discovered a surprising protective factor.
Scientists say that subsistence hunting in Neotropical rain forests -- the mainstay of local people as a source of protein and a direct connection to these ecosystems -- is in jeopardy from a variety of factors.
While volcanic, igneous rock predominates on Mars, virtually the entire Earth fossil record comes from sedimentary rocks. Addressing the problem, Swedish scientists have begun compiling evidence of fossilized microbes in underexplored igneous rock environments on Earth, to help guide where to search for a Martian fossil record -- and what to look for.
Tropical forests are being deforested at an alarming rate to make way for agriculture; the good news is that they can regrow naturally when the fields are abandoned. An international research team found that regenerating wet and dry forests actually show opposite pathways. This implies a fundamental change in our understanding of how tropical forests change, with consequences for forest restoration and biodiversity.
Evolutionary biologist Ernst Haeckel became the first person to define the term ecology in his work published in 1866, entitled 'General Morphology of Organisms'. Science historians and biologists have now worked out just how close his original classification is to our modern understanding of ecology.