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Plastic is blowing in the wind As the plastic in our oceans breaks up into smaller and smaller bits without breaking down chemically, the resulting microplastics are becoming a serious ecological problem. A new study at the Weizmann Institute of Science reveals a troubling aspect of microplastics - defined as particles smaller than 5 mm across. They are swept up into the atmosphere and carried on the wind to far-flung parts of the ocean, including those that appear to be clear. Analysis reveals that such minuscule fragments can stay airborne for hours or days, spreading the potential to harm ...

The ABCs of species evolution A transporter protein that regulates cell membrane cholesterol likely played an important role in vertebrate evolution, according to a review published by iCeMS researchers in the journal FEBS Letters. The ABCA1 protein flips the cholesterol from the inner to the outer layer of the cell membrane. This strengthens the ability of the skin to protect the body from external stimuli. The researchers suggest this played an important role in the evolution of vertebrates. MindyTakamiya/Kyoto University iCeMS Almost four decades of research have led scientists at Japan�...

Chameleon-Like Material Spiked With Boron Comes Closer To Mimicking Brain Cells December 13, 2020 In a new study, Texas A&M researchers in the Department of Materials Science and Engineering describe a new material that comes close to mimicking how brain cells perform computations. Each waking moment, our brain processes a massive amount of data to make sense of the outside world. By imitating the way the human brain solves everyday problems, neuromorphic systems have tremendous potential to revolutionize big data analysis and pattern recognition problems that are a struggle for current digit...

Macintosh is designed for simplicity. using a palm-sized unit called a mouse. >> it was the first time that a machine was personal, it was simple, it was friendly. >> it took the computer out of the exclusive domain of geeks and nerds and people who had memorized the commands and put it on the desk of everybody. untrained, nontechnical people. >> stores around the country put them on sale today, and analysts say it's a good bet that macintosh could soon be the biggest apple of the industry's eye. >> it's got its best years ahead of it, eventually i want to be able to carry my mac around with m...

Mouse. >> it was the first time that a machine was personal, it was simple, it was friendly. >> it took the computer out of the exclusive domain of geeks and nerds and people who had memorized the commands and put it on the desk of everybody. untrained, nontechnical people. >> stores around the country put them on sale today, and analysts say it's a good bet that macintosh could soon be the biggest apple of the industry's eye. >> it's got its best years ahead of it, eventually i want to be able to carry my mac around with me, walk around with it in my pocket. >> pocket computer? >> yes. >> you...