Welcome to the “Science News” update from Hawaii Science Digest. Views expressed in this science and technology news summary are those of the reporters and correspondents. Content supplied by “Science News.” Accessed on 31 May 2019, 0245 UTC.
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A short film of the 1900 total solar eclipse was restored by conservation experts and is now available to view online.
In controlled field experiments in Burkina Faso, a genetically engineered fungus reduced numbers of insecticide-resistant mosquitoes that can carry malaria.
DNA unveils long-ago hookups between early pastoralists and native hunter-gatherers in Africa.
Physicians are examining whether discussing shared health goals can bring vaccine-hesitant parents on board.
Sucralose in e-liquids can break down, increasing toxic aldehydes in vapors and producing harmful organochlorines, including a potential carcinogen.
Measles is a global health threat. Snapshots of several countries show how stopping its spread depends on local conditions and beliefs.
Planetary scientists found ammonia-rich ice near cracks on Pluto, suggesting the dwarf planet had recent icy volcanoes.
The measles virus can usher in other infections for months, or even years.
A lab-made black hole that traps sound, not light, emits radiation at a certain temperature, as Stephen Hawking first predicted.
Asia’s glaciers are melting faster than they are accumulating new stores of snow and ice.
In 1919, an eclipse affirmed Einstein’s famous general theory of relativity. Now scientists hope to use black holes to poke holes in that idea.
Analysis of a fossilized fish shoal suggests that animals may have evolved coordinated group movement around 50 million year ago.
The basic reproduction number, or “R naught,” of measles shows how contagious the disease is compared with other pathogens.
Optical atomic clocks are extremely good at keeping time, and they’re on their way to becoming pocket watches.
A pump protein can keep bacteria alive long enough for the microbes to develop antibiotic resistance.
A seminal, 212-year-old diagram of Andean plants by German explorer Alexander von Humboldt is still groundbreaking — but outdated, researchers say.
More than half of the fish flesh that predators in coral reefs eat comes from tiny, hard-to-spot species.
A new study advances one strategy in the quest to solve the notoriously difficult problem, which is still stumping researchers after 160 years.
A large study of U.S. bilingual children didn’t turn up obvious benefits in abilities to ignore distractions or switch quickly between tasks.
Astronomers have found dozens of surprisingly massive black holes far from the centers of their host dwarf galaxies.
In microgravity, flames are sphere-shaped. Tests of fire on the International Space Station are helping show how gases flow within flames.
Scientists have worked out the chemistry of dark chocolate’s smell and reconstructed the aroma.
Mitral valve prolapse might be caused by dysfunctional primary cilia meant to signal cells during development.
Since 2013, eastern China has increased its annual emissions of a banned chlorofluorocarbon by about 7,000 metric tons, a study finds.
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