Jacek Krywko

1 week ago | technewstube.com | Jacek Krywko

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1 week ago | arstechnica.com | Jacek Krywko

Its performance isn't great, but its endurance is similar to standard lithium-ion. The Li-ion batteries that power everything from smartphones to electric cars are usually packed in rigid, sealed enclosures that prevent stresses from damaging their components and keep air from coming into contact with their flammable and toxic electrolytes.

2 weeks ago | technewstube.com | Jacek Krywko

Plant cells are surrounded by an intricately structured protective coat called the cell wall. It’s built of cellulose microfibrils intertwined with polysaccharides like hemicellulose or pectin. We have known what plant cells look like without their walls, and we know what they look like when the walls are…

2 weeks ago | arstechnica.com | Jacek Krywko

Plant cells without a cell wall are fragile, so it's hard to image its construction. Plant cells are surrounded by an intricately structured protective coat called the cell wall. It’s built of cellulose microfibrils intertwined with polysaccharides like hemicellulose or pectin. We have known what plant cells look like without their walls, and we know what they look like when the walls are fully assembled, but we’ve never seen the wall-building process in action.

3 weeks ago | arstechnica.com | Jacek Krywko

300 aspects of each call were cataloged, letting researchers estimate meaning. Bonobos, great apes related to us and chimpanzees that live in the Republic of Congo, communicate with vocal calls including peeps, hoots, yelps, grunts, and whistles. Now, a team of Swiss scientists led by Melissa Berthet, an evolutionary anthropologist at the University of Zurich, discovered bonobos can combine these basic sounds into larger semantic structures.