Saturday September 22, 2018

‘Bog Butter’ dating back to 2,000 years discovered in Co Meath, Ireland

Bog was used by ancient people to preserve dead bodies

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Bog butter. Image source: Wikimedia Commons
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  • A 2,000 years old “bog butter” weighing 22-pounds recently discovered
  • The confounding fact is that it could also be “theoretically… still edible”
  • Such methods of preserving things in bogs were surprisingly common back in those days

An enormous lump of “bog butter” weighing 22-pounds, which is believed to be buried almost 2,000-year-ago, was recently discovered in Co Meath, Ireland. But why would one bury it with intent to preserve it for so long? There is only one possible reason – Ancient butter experts believe that it was once offering to the gods.

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Bog butter it as a “creamy white dairy product, which smells like a strong cheese.”  The massive find, while not unusual, has been enclosed in a refrigerated case and given to the National Museum, where it will be preserved, said an atlasobscura report.

Such methods of preserving things in bogs were surprisingly common back in ancient times. Without salt, butter would spoil quickly, but the cold, low-oxygen environment of the bog could probably act as an unreal refrigerator. To ensure the protection of Bog butter, it is sometimes found enclosed in wooden containers or animal skin. Bog was even used by ancient people to preserve dead bodies.

The Butter which is estimated to be over 2,000 years old has gone to the Conservation Department, National Museum for research and analysis. Image source: Caravan County Museum
The Butter which is estimated to be over 2,000 years old has gone to the Conservation Department, National Museum for research and analysis. Image source: Caravan County Museum

The confounding fact is that it could also be “theoretically… still edible” according to Andy Halpin, one of the Irish National Museums’ assistant keepers. Although, it won’t be advisable to taste it before proper examination and there is little possibility of it tasting good. Also, if it’s true that it was an offering to God then one would have to figure out whether or not to eat the butter meant for Gods.

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Archaeologist Ross MacLeod commented on the quantity of butter discovered in Galway. Speaking to the Irish Times he said, “It would have been a substantial loss to the family that buried the butter in the bog that they never recovered it. Perhaps the person who buried it died or forgot where it was left…That might have been stored up by a family during the summer and put into the bog for use during the cold winter months. Its loss could have been a tremendous one for some family a long, long time ago.”

-By Pashchiema, an intern at NewsGram. Twitter: @pashchiema

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Non-Pest Insects Are Declining: Scientists

Governments are trying to improve the situation.

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A ladybug rests on the petals of a flower in the Capitol Hill garden in Washington. VOA

A staple of summer — swarms of bugs — seems to be a thing of the past. And that’s got scientists worried.

Pesky mosquitoes, disease-carrying ticks, crop-munching aphids and cockroaches are doing just fine. But the more beneficial flying insects of summer — native bees, moths, butterflies, ladybugs, lovebugs, mayflies and fireflies — appear to be less abundant.

Scientists think something is amiss, but they can’t be certain: In the past, they didn’t systematically count the population of flying insects, so they can’t make a proper comparison to today. Nevertheless, they’re pretty sure across the globe there are fewer insects that are crucial to as much as 80 percent of what we eat.

Yes, some insects are pests. But they also pollinate plants, are a key link in the food chain and help decompose life.

“You have total ecosystem collapse if you lose your insects. How much worse can it get than that?” said University of Delaware entomologist Doug Tallamy. If they disappeared, “the world would start to rot.”

He noted Harvard biologist E.O. Wilson once called bugs: “The little things that run the world.”

insects
A bug stands on the petals of a flower in a house garden in Virginia. (Photo: Diaa Bekheet). A study estimates a 14 percent decline in ladybugs in the United States and Canada from 1987 to 2006. VOA

The 89-year-old Wilson recalled that he once frolicked in a “Washington alive with insects, especially butterflies.” Now, “the flying insects are virtually gone.”

It hit home last year when he drove from suburban Boston to Vermont and decided to count how many bugs hit his windshield. The result: A single moth.

Windshield test

The un-scientific experiment is called the windshield test. Wilson recommends everyday people do it themselves to see. Baby Boomers will probably notice the difference, Tallamy said.

Several scientists have conducted their own tests with windshields, car grilles and headlights, and most notice few squashed bugs. Researchers are quick to point out that such exercises aren’t good scientific experiments, since they don’t include control groups or make comparisons with past results. (Today’s cars also are more aerodynamic, so bugs are more likely to slip past them and live to buzz about it.)

Still, there are signs of decline. Research has shown dwindling individual species in specific places, including lightning bugs, moths and bumblebees. One study estimated a 14 percent decline in ladybugs in the United States and Canada from 1987 to 2006. University of Florida urban entomologist Philip Koehler said he’s seen a recent decrease in lovebugs — insects that fly connected and coated Florida’s windshields in the 1970s and 1980s. This year, he said, “was kind of disappointing, I thought.”

Insects
A multicolored Coccinellidae septempunctata, commonly known as seven spotted ladybug or ladybird walks on a leaf in a house garden in Virginia. VOA

University of Nevada, Reno, researcher Lee Dyer and his colleagues have been looking at insects at the La Selva Biological Station in Costa Rica since 1991. There’s a big insect trap sheet under black light that decades ago would be covered with bugs. Now, “there’s no insects on that sheet,” he said.

But there’s not much research looking at all flying insects in big areas.

The evidence

Last year, a study that found an 82 percent mid-summer decline in the number and weight of bugs captured in traps in 63 nature preserves in Germany compared with 27 years earlier. It was one of the few, if only, broad studies. Scientists say similar comparisons can’t be done elsewhere because similar bug counts weren’t done decades ago.

“We don’t know how much we’re losing if we don’t know how much we have,” said University of Hawaii entomologist Helen Spafford.

The lack of older data makes it “unclear to what degree we’re experiencing an arthropocalypse,” said University of Illinois entomologist May Berenbaum. Individual studies aren’t convincing in themselves, “but the sheer accumulated weight of evidence seems to be shifting” to show a problem, she said.

insects
Several scientists have conducted their own tests with windshields, car grilles and headlights, and most notice few squashed bugs. Flcikr

After the German study, countries started asking if they have similar problems, said ecologist Toke Thomas Hoye of Aarhus University in Denmark. He studied flies in a few spots in remote Greenland and noticed an 80 percent drop in numbers since 1996.

“It’s clearly not a German thing,” said University of Connecticut entomologist David Wagner, who has chronicled declines in moth populations in the northeastern United States. “We just need to find out how widespread the phenomenon is.”

The suspects

Most scientists say lots of factors, not just one, caused the apparent decline in flying insects.

Suspects include habitat loss, insecticide use, the killing of native weeds, single-crop agriculture, invasive species, light pollution, highway traffic and climate change.

“It’s death by a thousand cuts, and that’s really bad news,” Wagner said.

To Tallamy, two causes stand out: Humans’ war on weeds and vast farmland planted with the same few crops.

Insects
Light pollution is another big problem for species such as moths and fireflies, bug experts said. Pixabay

Weeds and native plants are what bugs eat and where they live, Tallamy said. Milkweeds, crucial to the beautiful monarch butterfly, are dwindling fast. Manicured lawns in the United States are so prevalent that, added together, they are as big as New England, he said.

Those landscapes are “essentially dead zones,” he said.

Light pollution is another big problem for species such as moths and fireflies, bug experts said. Insects are attracted to brightness, where they become easy prey and expend energy they should be using to get food, Tallamy said.

Jesse Barber of Boise State is in the middle of a study of fireflies and other insects at Grand Teton National Park. He said he notices a distinct connection between light pollution and dwindling populations.

“We’re hitting insects during the day, we’re hitting them at night,” Tallamy said. “We’re hitting them just about everywhere.”

Lawns, light pollution and bug-massacring highway traffic are associated where people congregate. But Danish scientist Hoye found a noticeable drop in muscid flies in Greenland 300 miles (500 kilometers) from civilization. His studies linked declines to warmer temperatures.

insects
Some insects are pests. But they also pollinate plants, are a key link in the food chain and help decompose life. VOA

Other scientists say human-caused climate change may play a role, albeit small.

Restoring habitat

Governments are trying to improve the situation. Maryland is in a three-year experiment to see if planting bee-friendly native wildflowers helps.

University of Maryland entomology researcher Lisa Kuder says the usual close-crop “turf is basically like a desert” that doesn’t attract flying insects. She found an improvement — 70 different species and records for bees — in the areas where flowers are allowed to grow wild and natural alongside roads.

The trouble is that it is so close to roadways that Tallamy fears that the plants become “ecological traps where you’re drawing insects in and they’re all squashed by cars.”

Still, Tallamy remains hopeful. In 2000, he moved into this rural area between Philadelphia and Baltimore and made his 10-acre patch all native plants, creating a playground for bugs. Now he has 861 species of moths and 54 species of breeding birds that feed on insects.

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Wagner, of the University of Connecticut, spends his summers teaching middle schoolers in a camp to look for insects, like he did decades ago. They have a hard time finding the cocoons he used to see regularly.

“The kids I’m teaching right now are going to think that scarce insects are the rule,” Wagner said. “They’re not realizing that there could be an ecological disaster on the horizon.” (VOA)