These designers made a sustainable new building material from corn

A new 3D-printed construction technique turns corn into a novel building material. Corncretl is a biocomposite made from corn waste known as nejayote that’s rich in calcium. It’s dried, pulverized, and mixed with minerals, and the resulting material is applied using a 3D printer. [Photo: Dinorah Schulte/Manufactura] This corn-based construction material was made by Manufactura,…

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Microbe with the smallest genome yet pushes the boundaries of life

Symbiotic bacteria live inside specialised organs called bacteriomes within insects. This image shows a cross-section of the planthopper Callodictya krueperi, with fluorescent probes labelling three microbes: Vidania (red), Sodalis (yellow) and Sulcia (green) Courtesy Anna Michalik et al Symbiotic bacteria living inside insect cells have the smallest genomes known for any organism. The findings further muddy the distinction between cellular organelles…

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How hesitation is a fundamental brain feature, according to neuroscientists

At the Winter Olympics, skiers, bobsledders, speedskaters, and many other athletes all have to master one critical moment: when to start. That split second is paramount during competition because when everyone is strong and skilled, a moment of hesitation can separate gold from silver. A competitor who hesitates too much will be left behind—but moving…

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Brendan Fraser on resilience at work in your 50s: ‘The silences in a career can be deafening’ 

“Before The Whale, I had everything to prove. And now, to be honest, not so much,” Oscar winner Brendan Fraser, 57, told AARP The Magazine in an interview last month.  The 50-and-older segment is the fastest-growing demographic in the world, according to Myechia Minter-Jordan, AARP’s CEO. And three years ago, Fraser—a Hollywood mainstay for 35 years whose career has…

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