Mergers between galaxies trigger activity in their core

Active galactic nuclei (AGNs) play a major role in galaxy evolution. Astronomers from SRON and RuG have now used a record-setting sample of galaxies to confirm that galaxy mergers have a positive effect on igniting AGNs. ...

Talent is key to school turnarounds

New research has demonstrated that the key to implementing successful reform in low-performing schools is hiring and retaining effective principals and teachers. These findings, reported in Educational Evaluation and Policy ...

Unsustainable food systems: Can we reverse current trends?

As rural masses migrate to urban areas, populations grow, and people work toward better living standards, global food system sustainability is jeopardized, according to a new analysis spanning low- to high-income countries. ...

Hotels benefit from marijuana legalization, study finds

Legalization of recreational marijuana may lead to increased hotel revenues, according to a Penn State researcher, who found that after legalizing marijuana, the City of Denver, Colorado, saw roughly $130 million in new hotel ...

Biodiversity increases the efficiency of energy use in grasslands

Plants obtain their energy from the sun. Other beings rely on eating to survive. Yet how does the energy flow inside ecosystems function and are there differences between ecosystems with many species in comparison to those ...

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