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Researchers have optically synced the motion of two micrometer-sized objects separated by 5 km, a distance around a hundred million times longer than previous demonstrations.

Simulations indicate that plankton can gain quicker access to food by riding ascending turbulent ocean currents.

Simulations indicate that plankton can gain quicker access to food by riding ascending turbulent ocean currents.

Turbulence can be a nuisance for planes and boats, but for marine plankton, researchers have now shown that turbulence can be a boon. In simulations, they found that plankton that can hitch rides on the right turbulent ocean plumes can double their swimming speeds [1]. The researchers say that this ability could help a variety of tiny ocean organisms quickly rise to the water’s surface to reach food at night before returning to its murky depths to escape daytime predators.

Plankton consist of a wide variety of small and microscopic organisms that drift in the ocean. Unable to propel themselves very effectively, they travel by riding ocean currents. For example, the planktonic larvae of the Chesapeake blue crab ride vertical and horizontal water currents when migrating toward the shore and up an estuary.

Many say that human beings have destroyed our planet. Because of this these people are endeavoring to save it through the help of artificial intelligence. Famine, animal extinction, and war may all be preventable one day with the help of technology.

The Age of A.I. is a 8 part documentary series hosted by Robert Downey Jr. covering the ways Artificial Intelligence, Machine Learning and Neural Networks will change the world.

Continue reading “Saving the world one algorithm at a time | The Age of A.I.” »

Circa 2019

Scientists overcome a natural restriction in plants that could boost yields from important food crops.

According to recent research, pig farming’s extensive use of antibiotics has likely contributed to the emergence of a highly antibiotic-resistant strain of the superbug MRSA, or methicillin-resistant Staphylococcus aureus, in livestock during the last 50 years.

Over the last fifty years, the strain, known as CC398, has overtaken other MRSA strains in animals across Europe. It is also a rising source of MRSA infections in humans.

According to the study, CC398 has remained resistant to antibiotics in pigs and other animals for many years. Furthermore, it can quickly adapt to human hosts while still preserving its antibiotic resistance.

Practical and glamorous, aluminium is prized for making products from kitchen foil and beverage cans to Tesla Roadsters and aircraft. But the silvery metal—abundant, cheap, lightweight, and corrosion resistant—has a dark side: red mud. This brownish red slurry, a caustic mishmash of metal-and silicon-rich oxides, often with a dash of radioactive and rare earth elements, is what’s left after aluminum is extracted from ore. And it is piling up. Globally, some 3 billion tons of red mud are now stored in massive waste ponds or dried mounds, making it one of the most abundant industrial wastes on the planet. Aluminum plants generate an additional 150 million tons each year.

Red mud has become trouble looking for a place to happen. In 2010, an earthen dam at one waste pond in Hungary gave way, unleashing a 2-meter-high wall of red mud that buried the town of Ajka, killing 10 people and giving 150 severe chemical burns. (See more on the dangers posed by waste dams.) Even when red mud remains contained, its extreme alkalinity can leach out, poison groundwater, and contaminate nearby rivers and ecosystems. Such liabilities, as well as growing regulatory pressure on industry to develop sustainable practices, have catalyzed global efforts to find ways to recycle and reuse red mud. Some researchers are developing ways to extract the valuable rare earth metals, whereas others turn the mud into cement or bricks.

“There is hope here,” says Yiannis Pontikes, a mechanical engineer at KU Leuven. But economic and marketing hurdles remain, and “the clock is ticking” as regulators consider new controls, says Efthymios Balomenos, a metallurgical engineer at the National Technical University of Athens. “At some point we will not be able to produce waste. So, there is an urgent need to make changes.”

Under the state budget passed last week, Pennsylvania’s conservation programs will receive a one-time, pandemic-related federal booster shot of $765 million for state parks, forests, streams, open space, farms, and home energy efficiency — an amount one environmental advocate called “generational.”

The funding means three new state parks, one possibly in the Philadelphia region, as well as a new ATV park, though locations haven’t been announced. The money, which is in addition to regular yearly budget funding, comes from the American Rescue Plan Act (ARPA), a $1.9 trillion federal economic stimulus bill signed by President Joe Biden last year as part of COVID-19 relief.

The ARPA funds, combined with an additional $56 million from the state’s Oil and Gas Lease Fund, and a $12 billion state surplus, mean that agencies routinely faced with declining or stagnant spending plans are suddenly getting a big lift.

A research group from the Graduate School of Informatics, Nagoya University, has taken a big step towards creating a neural network with metamemory through a computer-based evolution experiment. Their paper appears in Scientific Reports.

In recent years, there has been rapid progress in designing artificial intelligence technology using neural networks that imitate brain circuits. One goal of this field of research is understanding the evolution of metamemory to use it to create artificial intelligence with a human-like mind.

Metamemory is the process by which we ask ourselves whether we remember what we had for dinner yesterday and then use that memory to decide whether to eat something different tonight. While this may seem like a simple question, answering it involves a complex process. Metamemory is important because it involves a person having knowledge of their own memory capabilities and adjusting their behavior accordingly.