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Scientists worried as Arctic has record ozone loss
An ozone hole five times the size of California opened over the Arctic this spring, matching ozone loss over Antarctica for the first time on record, scientists said on Sunday. Formed by a deep chill over the North Pole, the unprecedented hole at one point shifted over eastern Europe, Russia…
Critics charge Obama sets NASA on ‘path of decay’
By Jean-Louis Santini WASHINGTON — High-profile critics fear President Barack Obama’s commercial overhaul of human spaceflight is going nowhere and could mark the end of half a century of US supremacy among the stars and planets. “We will have no American access to, and return from, low Earth orbit and…
Rare flu-like virus on the rise: U.S.
A rare virus has killed three people and sickened nearly 100 in Japan, the Philippines, the United States and the Netherlands over the past two years, US health authorities said Friday. The culprit is human enterovirus 68 (HEV68), and its respiratory symptoms can be particularly dangerous to children, the US…
Little threat to Earth from big asteroid: NASA
WASHINGTON — Fewer giant asteroids are out in space than once thought and most of the biggest near-Earth asteroids have been found, leaving little threat of one smashing into the planet, NASA said Thursday. The latest data from the US space agency’s Wide-field Infrared Survey Explorer, or WISE telescope, shows…
Ancient river-like volcanoes formed Mercury’s plains
WASHINGTON — The planet closest to the Sun had plenty of its own heat to release billions of years ago and erupted in vast river-like volcanoes that oozed around its northern pole, said a study out Thursday. For more than three decades, scientists have thought volcanoes may have helped craft…
SpaceX says ‘reusable rocket’ could help colonize Mars
WASHINGTON — The US company SpaceX is working on the first-ever reusable rocket to launch to space and back, with the goal of one day helping humans colonize Mars, founder Elon Musk said Thursday. The vehicle would be a reusable version of the Falcon 9 rocket which SpaceX used to…
Study finds ‘magic mushrooms’ may improve personality long-term
A new study suggests that a single dose of psilocybin — the active ingredient in “Magic Mushrooms” — can result in improved personality traits over the long term. Researchers at the Johns Hopkins University School of Medicine found that individuals who received the drug once in a clinical setting reported…
Global warming: New study challenges carbon benchmark
The ability of forests, plants and soil to suck carbon dioxide (CO2) from the air has been under-estimated, according to a study on Wednesday that challenges a benchmark for calculating the greenhouse-gas problem. Like the sea, the land is a carbon “sink”, or sponge, helping to absorb heat-trapping CO2 disgorged by the…
Hungary toxic levels ‘lower than expected’ after spill
A year after Hungary’s worst chemicals spill released vast amounts of poisonous red mud, levels of toxic substances are lower than feared but still above average, Greenpeace said on Wednesday. “All in all the levels of toxic contamination, particularly in maize and in the soil, are lower than feared,” said Herwig Schuster from the environmental pressure…
Scientists create cyborg rat with artificial cerebellum
Researchers at the Tel Aviv University in Israel successfully wired a functional computer chip to a rat’s brain. Matti Mintz and his colleagues have built an artificial cerebellum that can restore some motor functions in rats with brain damage. The cerebellum is an area of the brain responsible for learning…
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