Sentences with phrase «by bees at»

Not exact matches

Commercial seed producers avoid cross-pollination by isolating varieties and planting them at least a mile from each other, which is farther than the average bee flies.

Of the hundred principal crops that make up most of the world's food supply, only 15 percent are pollinated by domestic bees (mostly honey bees, bumble bees and alfalfa leafcutter bees), while at least 80 percent are pollinated by wild bees and other wildlife (as there are an estimated 25 000 bee species, the total number of pollinators probably exceeds 40 000 species).

Pioneering green brands / companies will be participating at upcoming sustainability summits hosted by Organic Monitor; they include: Aveda; The Body Shop; Green & Black's; Änglamark (Coop Denmark); Naturaline (Coop Denmark); PC Organics (Loblaw); Burt's Bees; Intelligent Nutrients; Léa Nature; Wessanen Group; Hain Celestial, etc..

He's a motorsport legend and was supposed to serve as Grand Marshal at the Sebring 12 Hours this weekend, but he's had to miss it because he was attacked by an angry swarm of killer bees.

The former striker was dismissed by Serie A side Cagliari last month after he failed to win a single game in three months, but was in attendance at Griffin Park for the Bees» 2 - 2 draw against Bolton Wanderers.

Burt's Bees will also be offering people - powered natural smoothies at a «Bike Blender» station in Times Square (the pedaling action actually powers the blenders), where visitors can stop by and enjoy a smoothie featuring natural ingredients.

As parents, our role is to help our children correct their misperceptions (e.g., all dogs want to bite, all teachers are mean, if you go outside you will definitely get stung by a bee) that are fueling the avoidance, so that, equipped with the facts, they will be more willing to approach the feared situation one step at a time.

I know many Eco-purists sniff at Burt's Bee Bath and Body care line ever since it has been bought out by Clorox (Oh the Irony), but I can't resist the smell of Burt's Bees Baby Bee's Shampoo & Wash and The Baby Bee Buttermilk Lotion.

Speaking Friday at a lecture organised by the Ghana@60 planning committee, Prof Oquaye held that certain aspects of Ghana's independence has bee declared in Saltpong before Nkrumah arrived in Ghana.

Mr Ainsworth admitted being impressed by the number of helicopters at the American base in Kandahar, where he said they were buzzing around «like bees».

The attack which occurred at about 2 am on Friday, was said to have bee carried out by a new militant group, Niger Delta Greenland Justice Mandate, Vanguard reports.

A big blob of royal jelly, abundantly resupplied by worker bees, surrounds the larva at the ceiling.

By enticing trained bees into a wind tunnel with fake flowers, Crall and his colleagues found that they compensate for higher winds by beating their wings more quickly and at different angles (Interface Focus, DOI: 10.1098 / rsfs.2016.0086By enticing trained bees into a wind tunnel with fake flowers, Crall and his colleagues found that they compensate for higher winds by beating their wings more quickly and at different angles (Interface Focus, DOI: 10.1098 / rsfs.2016.0086by beating their wings more quickly and at different angles (Interface Focus, DOI: 10.1098 / rsfs.2016.0086).

In addition to a two - week, intensive orientation led by experts at the Brookings Institution, fellows receive two two complementary BEE courses (residential courses not included) taken within the year of the Fellowship's completion.

Fortunately, Czech bumblebee enthusiast Jaromír Čížek has at last succeeded in getting the bees to breed in captivity, by feeding captive queens exclusively with high - quality bumblebee pollen instead of honeybee pollen, as had previously been attempted.

A promising study published last autumn by ecologists Sarah Greenleaf of the University of California at Davis and Claire Kremen of the University of California at Berkeley found that the presence of wild bees increases the efficiency of sunflower pollination fivefold.

Dr Michael P. Lisanti, Professor of Translational Medicine at the University of Salford, said: «We have been looking at how to target cancer stem cells with a range of natural substances including silibinin (milk thistle) and CAPE, a honey - bee derivative, but by far the most exciting are the results with Vitamin C.

Next the team studied how the bees back at the hive interpreted the performances given by the returning foragers.

BLUE HALO Bees can easily learn to recognize a bluish tinge called a blue halo created by sloppy nanoscale structures (located in the dark center circle, and seen at right) on such flowers as Ursinia speciosa.

This orchid bee was one of 16 outfitted with a radio transmitter backpack as part of a study of the insects» flight habits by ecologists at the Smithsonian Tropical Research Institute in Panama.

Claire Kremen, a conservation biologist at the University of California, Berkeley (and Harmon - Threatt's mentor), has shown that the diversity of pollinators drops with increasing distance from wild habitat, as does the number of visits by wild bees to flowering crops.

At the center table is the queen bee, surrounded by males that she created.

The study, led by Neal Williams at the University of California, Davis, and published earlier this year, found that bees collect pollen from both alien and native plants in proportion to a plant's abundance in the landscape.

A puzzle of flight — what keeps bumble bees aloft — was solved by Michael Dickinson, an assistant professor of integrative biology at the University of California at Berkeley.

Even if neonicotinoids are not directly responsible for colony collapse disorder, they could play a part by making bees more susceptible to the parasitic mite Varroa destructor and the parasitic fungus Nosema apis, both prime suspects, adds Christian Krupke, an entomologist at Purdue University in West Lafayette, Indiana.

In the 24 June Sciencexpress, researchers at the University of Sydney report that the differences between the bees» liking for heat can be accounted for by genetics.

Scientists, consumer groups and bee keepers say the devastating rate of bee deaths is due at least in part to the growing use of pesticides sold by agrichemical companies to boost yields of staple crops such as corn.

Francisco Gonzálvez at EEZA, the arid zone experimental station in Almeria, Spain, and colleagues studied flowers frequented by large carpenter bees (Xylocopa) and a much smaller solitary bee, Nomia.

A new study of possible self - medicating behavior in bumble bees conducted by researchers at the University of Massachusetts Amherst reports that a once - promising finding was not supported by further experiments and analysis.

So, what happens that the researchers were looking at, this moment, when the bees suddenly lost weight, and they found that it is dictated by the queen bee's pheromones, which trigger this insulin mechanism in the bees» brains that causes them to lose weight.

But a study led by Santiago Ramírez, an evolutionary biologist at the University of California, Berkeley, that was published in Science in late 2011 revealed that the bees arose first, thus suggesting that the two are more independent than previously thought.

When they looked at the flowers visited by the alpine bumblebee species, they found that the bees» favorite flowers had not shifted to a shallower form, but were less prolific.

Initially 23 bees, of a group of 40, were able to be trained in a stepwise manner by placing the flowers and strings at progressively distant positions under the table.

Last year scientists learned that worker bees silence misinformed wagglers by climbing atop them and vibrating at a specific frequency.

For instance, they looked at whether certain genes related to immune responses or to detoxification were more active in afflicted bees, which might suggest that they were being threatened by toxins in their food or by pesticides.

«We found that migratory beekeeping influences the lifespan of bees, but how this impacts health and honey bee aging is more complicated and often more influenced by the environment these colonies are in,» said Michael Simone - Finstrom, an NC State postdoctoral researcher during this research and co-first author of the study who currently works at the USDA honey bee research lab in Baton Rouge, La..

At the conference, biologists who work mostly in the field observing the behaviors of bees, ants, wolves, slime molds and other creatures tended to look for the mechanics of natural selection at the behavioral level by examining how individual organisms self - organize into hives, nests, packs, conglomerates or familieAt the conference, biologists who work mostly in the field observing the behaviors of bees, ants, wolves, slime molds and other creatures tended to look for the mechanics of natural selection at the behavioral level by examining how individual organisms self - organize into hives, nests, packs, conglomerates or familieat the behavioral level by examining how individual organisms self - organize into hives, nests, packs, conglomerates or families.

He notes that the group found that antenna deflections induced by an electrically charged honey bee wing are about 10 times the size of those that would be caused by airflow from the wing fluttering at the same distance — a sign that electrical fields could be an important signal.

Much of this «bee team» was made up of Emory undergraduate students, funded by the college's Scholarly Inquiry and Research at Emory (SIRE) grants and NSF support via the Research Experience for Undergraduates (REU) program.

«When bees were pulled by the wings, large segments of the wing membrane would tear off or the wing would separate at the joint, such that the bee could no longer fly,» says Shackleton.

Harald Esch, a professor of biology at the University of Notre Dame in Indiana, hypothesized that bees register distances to food sources by keeping track of the number of landmarks they pass, such as rocks, trees, or groupings of flowers.

Furthermore, Brown says, «if this parasite was introduced to native bees by commercial bees then it is highly likely that other parasites would have crossed over at the same time.»

The researchers, led by a team at Nottingham Trent University in England, believe the changing sounds from a hive indicate swings in the bees» state of health and that high - tech eavesdropping could provide beekeepers with early - warning signals.

A comprehensive look at dozens of species, it finds that many North American and European bumble bees are failing to «track» warming by colonizing new habitats north of their historic range.

It will prevent disaster and confusion at the hive, by stopping even more bees joining in the nectar rush when there are already so many coming back to the hive with nectar that the food storing workers can not cope with the influx.

Figuring out that the bees were using plastics in place of natural materials took some detective work by U of G's Andrew Moore, supervisor of analytical microscopy at Laboratory Services.

Field observations of flower - visiting bees (Apis mellifera, different species of Bombus and other genera) at mainly species of Orobanchaceae and Fabaceae have demonstrated that after pollen accumulation on the bees» bodies by the pollen - sacs) and subsequent grooming, residual patches of pollen patches remain in specific areas of the bees» body, mainly on the dorsal and ventral midline of the head, thorax and abdomen [31 — 42].

NCSU's work could help scientists hone those conservation efforts by determining which bee species are most at risk from climate change.

For the first time, we experimentally demonstrated the position, area and pollen amount of safe sites at the examples of Apis mellifera and Bombus terrestris by combining artificial contamination of the bees» body with pine or sunflower pollen and the subsequent bees» incomplete grooming.

Two years ago, April Hamblin, an entomology graduate student at NCSU who carried out the field work and co-wrote the study, began looking at how some of North Carolina's common native bee species tolerate increasing heat by placing individual bees in small test tubes.