Author: Peter Sackmann

A new genus and species of chasmosaurine ceratopsid dinosaur has been identified from a fossilized skull held in U.S. museums for several decades. The specimen had previously been classified as belonging to a different ceratopsid dinosaur genus, Pentaceratops. Life reconstruction of Bisticeratops froeseorum. Image credit: Sergey Krasovskiy. The new dinosaur species belonged to Chasmosaurinae, a…

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This article was originally featured on The Conversation. If you want to understand why some sandcastles are tall and have intricate structures while others are nearly shapeless lumps of sand, it helps to have a background in geotechnical engineering. As a geotechnical engineering educator myself, I use sandcastles in the classroom to explain how interactions of soil,…

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This article was originally featured on PopPhoto. Since 2016, Instagram’s algorithms have been a source of drama. Many users insist they want a chronological feed of the accounts they follow while the developers keep adding more algorithmically suggested content.  Things came to a head a few weeks ago when a petition championed by the Kardashians for Instagram to stop…

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This article was originally featured on Field & Stream. In 2015, professional photographer Kerry Wix was fishing at Dale Hollow Lake in Tennessee when he noticed a big northern water snake that appeared to be struggling to haul itself out of the water onto a concrete spillway. No matter how hard it thrashed, the snake…

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Credit: CC0 Public Domain Feeding calves transition milk instead of milk replacer in the first days of life stimulates intestinal development and improves health scores. In a new report in the Journal of Dairy Science, five researchers from Michigan State University examine the effects of transition milk on the health and growth of Holstein bull…

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Jim Lovelock (never ‘James’) is remembered as the father of the Gaia hypoth-esis: the idea that Earth is a self-regulating living organism. Few accepted his argument that this should be elevated to the status of a theory, even though it generated predictions about environ-mental changes that were borne out by subsequent observations. As a heuristic…

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Zeolite. Credit: Hannes Grobe, CC BY-SA 2.5 , via Wikimedia Commons If science and nature were to have a baby, it would surely be the zeolite. This special rock, with its porous structure that traps water inside, also traps atoms and molecules that can cause chemical reactions. That’s why zeolites are important as catalysts, or…

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