Why Heat is Accelerating the California Drought Although record low precipitation has been the main driver of one of the worst droughts in California history, abnormally high temperatures have also played an important role in amplifying its adverse effects, according to a recent study by the U.S. Geological Survey and university partners.
Greening the Airline Industry The airline sector is trying to lessen its carbon footprint. In mid-June, the Paris Air Show will host the COP21 seen from the sky conference. Boeing and Airbus are concentrating their commercial efforts on the environment, which is now a selling point. “CO2 affects our ability to grow," said Jonathon Counsell, Head of Environment for British Airways, during a day dedicated to the environment organised by Airbus at its Toulouse site. Airlines make up 2% of worldwide CO2 emissions. But the doubling of passengers every 15 years has made it a growing source of greenhouse gases.
Tattoos and skin complications In what they believe to be the first survey of its kind in the United States, researchers at NYU Langone Medical Center have found that as many as 6 percent of adult New Yorkers who get "inked" -- in other words, those who get a tattoo -- have experienced some form of tattoo-related rash, severe itching or swelling that lasted longer than four months and, in some cases, for many years. "We were rather alarmed at the high rate of reported chronic complications tied to getting a tattoo," says senior study investigator and NYU Langone dermatologist Marie Leger, MD, PhD, whose team's latest findings appear in the journal Contact Dermatitis online May 27.
Larvae Parasite May Contribute to Declining Honey Bee Colonies Biologists at UC San Diego have discovered that a tiny single-celled parasite may have a greater-than expected impact on honey bee colonies, which have been undergoing mysterious declines worldwide for the past decade. In this week’s issue of the journal PLOS ONE, the scientists report that a microsporidian called Nosema ceranae, which has been known to infect adult Asiatic and European honey bees, can also infect honeybee larvae.
Montreal Protocol Leads to Better Ozone We are already reaping the rewards of the Montreal Protocol, with the ozone layer in much better shape than it would have been without the UN treaty, according to a new study in Nature Communications. Study lead author Professor Martyn Chipperfield, from the School of Earth & Environment at the University of Leeds, said: “Our research confirms the importance of the Montreal Protocol and shows that we have already had real benefits. We knew that it would save us from large ozone loss 'in the future', but in fact we are already past the point when things would have become noticeably worse.”
Babies can see relations between objects before they can talk Two pennies can be considered the same -- both are pennies, just as two elephants can be considered the same, as both are elephants. Despite the vast difference between pennies and elephants, we easily notice the common relation of sameness that holds for both pairs. Analogical ability -- the ability to see common relations between objects, events or ideas -- is a key skill that underlies human intelligence and differentiates humans from other apes.
Increasing stream shading good for trout As snowpack levels decline with the warming climate, many streams will experience less water flow, especially during summer months, potentially exposing more fish to predation by birds and other animals.A new study has found that providing adequate shade and cover in small streams may reduce predation on trout by as much as 12 percent, from just one species of bird – the kingfisher. The findings, based on a study at the Oregon Hatchery Research Center in the Alsea River basin, are being published in the journal Ecology of Freshwater Fish.
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