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'Giant Wind-and-Wave-Powered Pac Man' to Gobble Up Great Pacific Garbage Patch
The Ocean Cleanup is preparing to launch its highly anticipated cleanup system in the Great Pacific Garbage Patch. But the contraption's final design looks slightly different from the original vision.
Five years ago, the then-teenager made headlines and inspired folks around the world for his ocean plastic-capturing concept.
Earlier prototypes, for instance, featured an anchored platform and a V-shaped floating barrier that passively corrals plastics with wind and ocean currents. But during testing, they realized they underestimated the impact of wind, waves and currents on the system.
After years of research and development, the Ocean Cleanup team announced a redesign of the system that features a 600-meter-long floating pipe with a tapered 3-meter skirt attached underneath to catch debris. The sea anchors were also eliminated entirely.
Slat described the new anchor-free system, set for deployment into the Great Pacific Garbage Patch in two months, as "a giant wind-and-wave-powered Pac Man."
The Ocean Cleanup
"Both the plastic and system are being carried by the current," the nonprofit explains. "However, wind and waves propel only the system, as the floater sits just above the water surface, while the plastic is primarily just beneath it. The system thus moves faster than the plastic, allowing the plastic to be captured."
The contraption is also fitted with solar-powered lights, anti-collision systems, sensors and cameras and satellite antennas, meaning it can communicate its position at all times.
The captured plastic will be collected by a vessel every few months. The debris will then be sorted for recycling or up-cycled to create new products.
"Although there is a fair chance this won't be the last iteration of our ocean cleanup technology, we have high confidence that it addresses the stability issues and that this will be the design responsible for collecting the first plastic from the Great Pacific Garbage Patch later this year," Slat wrote.
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By Daisy Brickhill
Each morning, men living in fishing communities along Ghana's coastline push off in search of the day's catch. But when the boats come back to shore, it's the women who take over.
By Sam Nickerson
Links between excess sugar in your diet and disease have been well-documented, but new research by Harvard's School of Public Health might make you even more wary of that next soda: it could increase your risk of an early death.
The study, published this week in the American Heart Association's journal Circulation, found that drinking one or two sugar-sweetened beverages (SSBs) each day — like sodas or sports drinks — increases risk of an early death by 14 percent.
Tyson Foods Recalls Nearly 70,000 Pounds of Chicken Strips After Customers Find ‘Fragments of Metal’
Tyson Foods is recalling approximately 69,093 pounds of frozen chicken strips because they may have been contaminated with pieces of metal, the U.S. Department of Agriculture (USDA) Food Safety and Inspection Service (FSIS) announced Thursday.
The affected products were fully-cooked "Buffalo Style" and "Crispy" chicken strips with a "use by" date of Nov. 30, 2019 and an establishment number of "P-7221" on the back of the package.
"FSIS is concerned that some product may be in consumers' freezers," the recall notice said. "Consumers who have purchased these products are urged not to consume them. These products should be thrown away or returned to the place of purchase."
Environmental exposure to pesticides, both before birth and during the first year of life, has been linked to an increased risk of developing autism spectrum disorder, according to the largest epidemiological study to date on the connection.
The study, published Wednesday in BMJ, found that pregnant women who lived within 2,000 meters (approximately 1.2 miles) of a highly-sprayed agricultural area in California had children who were 10 to 16 percent more likely to develop autism and 30 percent more likely to develop severe autism that impacted their intellectual ability. If the children were exposed to pesticides during their first year of life, the risk they would develop autism went up to 50 percent.
ExxonMobil could be the second company after Monsanto to lose lobbying access to members of European Parliament after it failed to turn up to a hearing Thursday into whether or not the oil giant knowingly spread false information about climate change.
The call to ban the company was submitted by Green Member of European Parliament (MEP) Molly Scott Cato and should be decided in a vote in late April, The Guardian reported.
Bernie Sanders has become the first contender in the crowded 2020 Democratic presidential primary field to pledge to offset all of the greenhouse gas emissions released by campaign travel, The Huffington Post reported Thursday.