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Accelerating demand for renewable energy and electric vehicles is sparking a high demand for the batteries that store generated energy and power engines. But the batteries behind these sustainability solutions aren't always sustainable themselves. Scientists have now create a zinc battery with a biodegradable electrolyte from an unexpected source: crab shells.
New research concerning 'synanthropic' flies (the non-biting flies that live with us) argues that we need to pay far more attention to them as disease carriers. While epidemiologists have focused their attention on the biting flies that can spread diseases by transferring infected blood from host to host, it turns out that what the non-biting flies regurgitate is a far greater risk to human health.
Earlier this year a machine learning algorithm identified up to 5,000 potential gravitational lenses that could transform our ability to chart the evolution of galaxies since the Big Bang. Now, astronomers have assessed 77 of the lenses using the Keck Observatory in Hawai'i and Very Large Telescope in Chile. The team confirmed that 68 out of the 77 are strong gravitational lenses spanning vast cosmic distances.
Regularly eating a small serving of dried goji berries may help prevent or delay the development of age-related macular degeneration, or AMD, in healthy middle-aged people, according to a small, randomized trial conducted at the University of California, Davis.
AMD is the leading cause of vision loss in older people, and is estimated to affect more than 11 million in the United States and 170 million globally.
While popular healthy diet mantras advise against midnight snacking, few studies have comprehensively investigated the simultaneous effects of late eating on the three main players in body weight regulation and thus obesity risk: regulation of calorie intake, the number of calories you burn, and molecular changes in fat tissue. A new study provides experimental evidence that late eating causes decreased energy expenditure, increased hunger, and changes in fat tissue that combined may increase obesity risk.
New research from the University of Cincinnati bolsters a hypothesis that Alzheimer's disease is caused by a decline in levels of a specific protein, contrary to a prevailing theory that has been recently called into question.
Human and mouse neurons in a dish learned to play the video game Pong, researchers report October 12 in the journal Neuron. The experiments are evidence that even brain cells in a dish can exhibit inherent intelligence, modifying their behavior over time.
A breakthrough in electric vehicle battery design has enabled a 10-minute charge time for a typical EV battery. This is a record-breaking combination of a shorter charge time and more energy acquired for longer travel range.
Viral DNA in human genomes, embedded there from ancient infections, serve as antivirals that protect human cells against certain present-day viruses, according to new research.
The paper, "Evolution and Antiviral Activity of a Human Protein of Retroviral Origin," published Oct. 28 in Science, provides proof of principle of this effect.
Leprosy is one of the world's oldest and most persistent diseases but the bacteria that cause it may also have the surprising ability to grow and regenerate a vital organ. Scientists have discovered that parasites associated with leprosy can reprogram cells to increase the size of a liver in adult animals without causing damage, scarring or tumors. The findings suggest the possibility of adapting this natural process to renew aging livers and increase healthspan - the length of time living disease-free - in humans.
