A study conducted by scientists at the Max Planck Institute for Ornithology in Seewiesen, Germany has shown that the male members of a sandpiper population who spend less time sleeping are more successful at mating with females and have more offspring.
The sandpiper mating season takes place during the summer in the Arctic Circle, when the sun practically never goes down. Males of the species compete to impress females by fighting with each other, defending territory, and flying over the females while making a hooting sound.(more…)
ANN ARBOR, Mich.— The global trade in bullfrogs, which are farmed as a food source in South America and elsewhere, is spreading a deadly fungus that is contributing to the decline of amphibians worldwide, according to a University of Michigan biologist and his colleagues.(more…)
Research inspires interactive theater, opens dialogue
COLUMBIA, Mo. –When it comes to college-age individuals taking care of their bodies, appearance is more important than health, research conducted at the University of Missouri suggests. María Len-Ríos, an associate professor of strategic communication, Suzanne Burgoyne, a professor of theater, and a team of undergraduate researchers studied how college-age women view their bodies and how they feel about media messages aimed at women. Based on focus group research findings, the MU team developed an interactive play about body image to encourage frank discussions about conflicting societal messages regarding weight, values and healthful choices.
“During our focus group conversations, we learned that young people don’t think about nutrition when it comes to eating,” Len-Ríos said. “They think more about calorie-counting, which isn’t necessarily related to a balanced diet.” (more…)
A bonus payment to teachers can improve student academic performance — but only when it is given upfront, on the condition that part of the money must be returned if student performance fails to improve, research at the University of Chicago shows.
The study showed that students gained as much as a 10 percentile increase in their scores compared to students with similar backgrounds — if their teacher received a bonus at the beginning of the year, with conditions attached. There was no gain for students when teachers were offered the bonus at the end of the school year, the research found. (more…)
Vaginal birth triggers the expression of a protein in the brains of newborns that improves brain development and function in adulthood, according to a new study by Yale School of Medicine researchers, who also found that this protein expression is impaired in the brains of offspring delivered by caesarean section (C-sections).(more…)
EAST LANSING, Mich. — Why, after millions of years of evolution, do organisms build structures that seemingly serve no purpose?
A study conducted at Michigan State University and published in the current issue of The American Naturalist investigates the evolutionary reasons why organisms go through developmental stages that appear unnecessary.
“Many animals build tissues and structures they don’t appear to use, and then they disappear,” said Jeff Clune, lead author and former doctoral student at MSU’s BEACON Center of Evolution in Action. “It’s comparable to building a roller coaster, razing it and building a skyscraper on the same ground. Why not just skip ahead to building the skyscraper?” (more…)
Berkeley Lab Researchers Take a Mesocale Look at Magnetic Vortex Formations
The phenomenon in ferromagnetic nanodisks of magnetic vortices – hurricanes of magnetism only a few atoms across – has generated intense interest in the high-tech community because of the potential application of these vortices in non-volatile Random Access Memory (RAM) data storage systems. New findings from scientists at the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory (Berkeley Lab) indicate that the road to magnetic vortex RAM might be more difficult to navigate than previously supposed, but there might be unexpected rewards as well.(more…)
When Rachel Aronson travels this month to Alaska, she and a local research assistant will interview people who are in danger of being displaced by climate change. She will also send about 100 postcards to her funders.
Aronson is among a growing number of University of Washington students, faculty and staff who are using online campaigns to pay for their research. Crowdsourcing uses the Internet to broadcast a question and pool the answers; crowd funding uses the Internet to post an idea and ask people to pony up money to make it a reality. (more…)
