Sentences with phrase «studies on bees»

Not exact matches

So while I am grateful for those people who have devoted their lives to studying Greek, I know that I will never be able to «compete» on their level, and so for my Bible teaching efforts, learning Chinese, Spanish, or Hindi would have bee much more valuable so that I could communicate with the people who are in my neighborhood.

Psychologist Angela Duckworth, a protà © gà © of Seligman's, has done a range of studies — on college students with low SAT scores, West Point plebes, and national spelling bee contestants, among others — and has found that a determined response to setbacks, an ability to focus on a task, and other noncognitive character strengths are highly predictive of success, much more so than IQ scores.

«Our data show that non-lethal doses of flupyradifurone after a single application to collecting honeybees have a negative impact on the bees» taste, learning and memory capability,» Ricarda Scheiner sums up the study result.

Previous studies linking neonicotinoids to sharp declines in honeybee populations, known as colony collapse disorder, prompted the European Union in 2013 to pass a two - year ban on the use of the pesticides, though bee experts now believe a parasitic mite, poor nutrition or both may also weaken or kill the insects.

Jay Vroom, CEO and spokesman at CropLife America, a trade partnership of seed and pesticide manufacturers, says studies measuring the effect of neonics on bees in field conditions «consistently demonstrate no negative effects.»

«This diverse range of habitat provides excellent conditions for native sweat bees,» explains Professor Robert Paxton from the Institute of Biology at MLU, where Paxton and PhD student Patricia Landaverde - González have studied 37 sites on Yucatán.

A tiny aerial bot about the size of a bee (nicknamed RoboBee) uses static electricity to cling to the underside of a leaf and perch on other materials, study coauthor Robert Wood of Harvard University and colleagues report in the May 20...

The species of nosema used in the study (Nosema apis) has long been thought to be benign compared to the many other parasites and pathogens that infect honey bees, and no one had previously looked for the effect of nosema on behavior with such a low dose.

«Previous studies of the impacts of drought on flowers and bees have looked at individual species, often in the laboratory, but we used an experiment with rain shelters to examine the effects on real communities of plant species living in chalk grassland,» said Dr Ellen Fry from the University of Manchester, who set up the experiment.

Two new studies, published this week in Science, address this question by studying large populations of bees in multiple locations for months on end.

Sam Droege of the US Geological Survey and Sean Brady of the Smithsonian's National Museum of Natural History study native bee populations on the base.

The study assumed that some of the commercial bees escaped and deposited parasites on the flowers they visited.

Dr Crispin Jordan, of the University of Edinburgh's School of Biological Sciences, who led the study, said: «Plants and their flowers exist in all shapes and sizes, and our finding that the arrangement of flowers can influence how bees forage might go some way to explaining how plants, which rely on others species to spread pollen, can influence their own reproduction.»

Shea notes that although he and his colleagues have yet to finalize their measurements on how well their nanoparticles bind to various PLA2 molecules, their test - tube results suggest that they could have a similar high affinity for PLA2s as their previous nanoparticles had for melittin, the bee venom protein that stopped the toxin in animal studies.

Scientists, meanwhile, are vigorously debating whether the studies on neonicotinoids and the health of honeybees and bumblebees, mostly conducted in laboratory settings, accurately reflect what is happening to bees in the field.

To address such concerns, Zayed and colleagues, as well as authors on the European study, conducted season - long monitoring of the use of neonicotinoids near bee colonies in agricultural settings in Ontario and Québec, Canada, and in 33 locations in Hungary, Germany and the U.K., respectively.

Studying the impact of bees on fruit quality is an innovative way to better understand the contributions they provide to humans, says Claire Kremen, an ecologist at the University of California, Berkeley.

This latest research is part of continuing studies into the effects of air pollution on bees.

The study results also suggest that some fungicides, which have led to the mortality of honey bee larvae in lab studies, could have toxic effects on colony survival in the field.

Many studies have shown that the survival of bee colonies strongly depends on the infestation with Varroa mites, widespread blood - sucking parasites, and the transmission of deformed wing virus by these mites.

In a new study, published online today in the Proceedings of the National Academy of Sciences, researchers used a laser vibrometer — a tiny machine that hits the bee hair with a laser — to measure how the hair on a bee's body responds to a flower's tiny electric field.

«In our current study, we focused on the concentration of a specific peptide in the bee's central nervous system,» Charlotte Helfrich - Förster explains.

Now, new research has shed light on how plants control how much pollen each bee extracts from them — taste, according to a study published today in the journal Biology Letters.

A tiny aerial bot about the size of a bee (nicknamed RoboBee) uses static electricity to cling to the underside of a leaf and perch on other materials, study coauthor Robert Wood of Harvard University and colleagues report in the May 20 Science.

The researchers conducted a pilot study using their comprehensive approach to assess the pollination performance of various bee species on economically important highbush blueberry crops in North Carolina.

In the first large - scale and comprehensive study on the impacts of transporting honey bees to pollinate various crops, research from North Carolina State University shows that travel can adversely affect bee health and lifespan.

«We've looked at bees as robots that would keep on trucking no matter what,» says Heather Mattila of Wellesley College, who studies honeybee behavior and genetics.

Nieh worked with scientists at Yunnan Agricultural University in China to study the impact on foraging Asian honey bees of the monstrous - looking Asian Giant hornet, Vespa tropica, and a smaller hornet species known as Vespa velutina, which has invaded Europe and now poses a threat to European honey bees.

The electric fields that build up on honey bees as they fly, flutter their wings, or rub body parts together may allow the insects to talk to each other, a new study suggests.

«Extensive surveys are now needed on the distribution of the flies in the global honey bee population,» says bee pathologist Elke Genersch of the Institute for Bee Research in Hohen Neuendorf, Germany, who was not involved in the study.

17 The Honeybee Boogie: In 1943 Austrian zoologist Karl von Frisch published his study on the dances bees perform to alert fellow workers.

To find out whether some honey bee species can alter these alarms depending on the type of predator, the scientists studied the Asian bees, which must deal with multiple types of predatory, hive - attacking hornets, including the world's largest hornet.

«Nosema ceranae is one of the most widespread parasites of adult honey bees in the world, and a lot of studies have investigated its effects on bee physiology.

Peter Bernhardt, Ph.D., a professor of biology at SLU and research associate at the Missouri Botanical Garden and the Royal Botanic Gardens and Domain Trust in Sydney, New South Wales, has been studying reproductive patterns in wildflowers in six countries for over 40 years and, like most dedicated scientists, thrives on new discoveries such as how bees respond to the color of the flowers they pollinate.

Rachael Winfree, an associate professor of entomology at Rutgers University in New Jersey, studied 23 small New Jersey and Pennsylvania watermelon farms and found that wild, native bees were depositing 62 percent of the pollen on the crops.

A new study examines scouts» brains and finds that novelty - seeking in humans and bees seems to be based on some of the same genes.

The puzzling finding comes on the heels of other studies linking fungicides to declines in honey bee and wild bee populations.

Thus, the study of safe sites on the bees» bodies and the pollen grains» ride in space and time and their role in pollination still remains a challenge.

«This paper provides an important link between lab and field studies investigating the effects of neonicotinoid pesticides on honey bees.

The work re-ignites arguments to ban neonics, and certainly comparable studies are now need on other pollinator species given that honey bees are by no means the contributor to crop pollination.»

In the discussion of their findings, the authors do not discuss the significance and relevance of these findings from a study where bees are directly fed neonicotinoid treated pollen into the hives for 38 days, to effects on free foraging bees under realistic conditions of use.

Maryland lawmakers this week voted to curb the sale of certain pest control products to home gardeners after reviewing studies that point to the harmful effects some lawn chemicals have on bees and other pollinators.

On average, only 2 % of wild bee species were responsible for 80 % of the pollination visits witnessed by researchers around the world, according to a study published Tuesday in the journal Nature Communications.

But the new study offer new hints on why the bees could continue to die out.

«Therefore, this study adds important new evidence on the safety of neonicotinoid use, but we still can not exclude the impact of other pesticides and habitat loss on the current bee declines.

The paper draws on scientific studies to recommend ways to reduce disease impacts, such as limiting the mixing of bees between colonies and supporting natural bee behaviors that provide disease resistance.

So, other chemicals used on OSR could be the drivers of bee decline observed in this study.

This is the first comprehensive study on impacts of migratory management on the health and oxidative stress of honey bees.

Still under study to find out what the bees are feeding on.

Dear Dr. Greger, I have seen most of the videos that you have released on your DVD sets and I was curious if you have come across any studies relating to bee pollen.