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Uncommon Courses is an occasional series from The Conversation U.S. highlighting unconventional approaches to teaching.

Six generations ago, Europe’s seas possessed vast oyster reefs. Oysters were found in their millions, clustered together in reef systems that spanned hundreds of square kilometres. Now the reefs are gone and with them, our collective understanding of what the sea used to look like.

Many of us will send off the old year and start 2025 with a bang. New year celebrations will vary in size from small back-garden firework displays to large-scale professional shows. Last year, London’s main event released 12,000 fireworks – just one of many annual events held worldwide to entertain…

Each story for Insights, The Conversation’s longform investigative series, typically takes months to produce, building on years of academic research. And of course, these deep-dive investigations don’t just stop when the story is published.

Brian Blank is a finance scholar and Fed watcher who researches how companies navigate downturns and make financial decisions, as well as how markets process information. Brandy Hadley is a finance professor who leads a student-managed investment fund and studies corporate decision-making and incentives. Together, they’re also the resident economic…

NASA administrators play a vital role in deciding what NASA does and how it does it, and they also help build political support for space exploration.

You are standing in a forest in the middle of winter and the temperature has dropped below zero. The ground is covered in snow and the trees and bushes are naked. The insects that normally fly or crawl in warmer weather are nowhere to be seen.

Antimicrobial resistance (AMR) in waterways presents a critical threat. If commonly used antibiotics are deemed useless, decades of progress in human medicine and agriculture could be undermined.

Cyclone Chido was an “intense tropical cyclone”, equivalent to a category 4 hurricane in the Atlantic. It made landfall in Mayotte, a small island lying to the north-west of Madagascar on December 14, generating wind gusts approaching 155mph (250km/hr). Later on, it hit Mozambique, East Africa with the same ferocity.