Turning penicillin into a lethal force against bacteria again

A new study reveals for the first time the metabolic changes that allow bacteria to survive high doses of penicillin, a classic β-lactam antibiotic. The study also uncovered a weakness in how the bacteria survive, which may help scientists find better ways to fight antibiotic tolerance in the future. 

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Flipped chromosomal segments drive natural selection

Research finds that chromosomal inversions – which occur when a chunk of chromosome containing tens to thousands of genes breaks off, flips and reattaches – help certain species maintain genetic differences adapted to various regions.

Winning digital ag idea targets killer ants

The Digital Ag hackathon, sponsored by the Cornell Institute for Digital Agriculture and powered by Entrepreneurship at Cornell, brought 116 students to Atkinson Hall for the weekend of Feb. 27-March 1.

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Microbe exposure may not protect against developing allergic disease

A new study in mice reveals that adults’ exposure to diverse microbes and allergens may in fact worsen certain allergic conditions.

Cornell faculty and staff honored for community-engaged innovation

Fourteen members of Cornell’s faculty and staff are being recognized this year with Community-Engaged Practice and Innovation Awards from the David M. Einhorn Center for Community Engagement.

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Study reveals how flatworms keep regeneration powers on track

Researchers gain an understanding of how the planarian flatworm prevents their stem cells from making mistakes when they regrow entire body parts.

Promoters and enhancers: a new twist in the DNA 

Researchers at Cornell's Weill Institute for Cell and Molecular Biology have  uncovered new evidence that two major types of gene-controlling DNA sequences, promoters and enhancers, operate with a shared logic and often perform the same jobs. 

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Wildfire smoke silences grassland birds in NYS

In June 2023, smoke from Canadian wildfires dampened birds’ vocalizations in New York state, with a particularly negative effect on already imperiled grassland birds.

Exploring plants, insects and floral microclimates

Jonathan Chai ‘24 explored whether squash floral humidity plays a role in pollen viability and behavior of squash pollinators and floral predators.

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