How bird flocks with multiple species behave like K-pop groups

Birds of a feather don't always flock together: Peer into a forest canopy, and you will likely spot multiple bird species flying and feeding together, a phenomenon most spectacular in the Amazon where 50 species may travel as a unit. But are birds in these mixed flocks cooperating with one another or competing?

Cracks in perovskite films for solar cells easily healed, study finds

A new study reveals good news for the possibility of using perovskite materials in next-generation solar cells.

Faith-centered tattoos are analyzed in study of university students

With more than a quarter of U.S. adults now having tattoos—and nearly half of millennials sporting them—only a handful of studies have focused on religious tattoos. But a new study by researchers at Baylor University and Texas Tech University analyzes faith-centered tattoos and is the first to use visual images of them.

Researchers develop new method for analyzing metal

Warfighters on the battlefield often rely on machines, vehicles and other technologies with rotating parts to complete their mission. Army researchers have devised a new method of testing for a major factor in equipment failure and breakdown in order to ensure that those tools meet the proper standard of quality.

New etching technique could advance the way semiconductor devices are made

Microelectronics like semiconductor devices are at the heart of the technologies we use each day. As we move into an era where we are stretching the limits of Moore's Law, it is essential to find new ways to continue to pack more circuitry into each individual device in order to increase the speed and capability of our computers.

What is the best way to encourage innovation? Competitive pay may be the answer

Economists and business leaders agree that innovation is a major force behind economic growth, but many disagree on what is the best way to encourage workers to produce the "think-outside-of-the-box" ideas that create newer and better products and services. New research from the University of California San Diego indicates that competitive "winner-takes-all" pay structures are most effective in getting the creative juices flowing that help fuel economic growth.

Answers to microbiome mysteries in the gills of rainbow trout

While many immunologists use mouse models to conduct their research, J. Oriol Sunyer of Penn's School of Veterinary Medicine has made transformational scientific insights using a very different creature: rainbow trout.

Mind the trust gap: It's wider than you think

New Yorkers are more trusting of others compared to Alabamans or Texans. While this regional divide between southerners and the rest of Americans is well documented, the gap is wider than perceived, a study from York University reveals.

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