Tuesday, January 19, 2016

FeedaMail: Science News Headlines - Yahoo! News

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Oldest Animal Jonathan the Tortoise Is Going Strong at 183

A caloric increase is helping the oldest known living terrestrial animal in the world — a giant tortoise — reclaim his health and vigor, a veterinarian reports. At 183 years old, Jonathan, who resides on the tiny Atlantic island of St. Helena, is now eating like a king. Before the diet change, Jonathan's keratin beak was blunt and soft, making him an inefficient grazer, Dr. Joe Hollins, the veterinarian who cares for Jonathan, said in a 2012 report in the journal Veterinary Record.


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Fowl Play: Diverse Parasites Infest Backyard Chickens

Chickens that live in backyards are exposed to a wider range of ectoparasites — parasites that live on the skin — than their commercial counterparts. In a study published online Jan. 11 in the Journal of Medical Entomology, scientists investigated 100 hens from 20 flocks in Southern California, and found a number of parasites in the coops and on the birds that are typically absent in commercial farms. Many of the urban chickens were playing host to a diverse group of parasites, which included fleas, mites and six species of lice: Menopon gallinae, Menacanthus cornutus, Menacanthus stramineus, Goniocotes gallinae, Lipeurus caponis and Cuclotogaster heterographus.


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Warmer Indian Ocean could be 'ecological desert', scientists warn

By Amantha Perera NEGOMBO, Sri Lanka (Thomson Reuters Foundation) - Anslem Silva has fished for four decades from this popular harbor on Sri Lanka's west coast, but for five years now filling his boat has become increasingly difficult. Overfishing is responsible for some of the lowered catch, but another problem may also be contributing: lack of food for the fish themselves, driven by global warming. "Rapid warming in the Indian Ocean is playing an important role in reducing phytoplankton up to 20 percent," said Roxy Mathew Koll, a scientist at the Centre for Climate Change Research at the Indian Institute of Tropical Meteorology in Pune.


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Red, Dead Galaxies Are Also LIERs, Scientists Say

Many galaxies are LIERS, says Francesco Belfiore, a graduate student at the Kavli Institute for Cosmology at the University of Cambridge. Earth lies in a galaxy that is flush with new star birth. In trying to study the chemistry of these "dead" galaxies, researchers have found a different chemical fingerprint than the one that dominates star-forming galaxies.

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Worm in the Eye! Creepy Crawly Removed in Odd Case

"His occupation as a fruit vendor may have increased his risk for infection, as fruit flies may carry the parasite," said Dr. Bhagabat Nayak, an ophthalmologist and eye surgeon at the Dr. R.P. Centre for Ophthalmic Sciences in New Delhi, India. Worms inside the eye are generally rare in India, he added.

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Poor Sleep Tied to Hardened Brain Arteries in Older Adults

Older people who sleep poorly may have a slightly increased risk of having hardened blood vessels in the brain, and oxygen-starved brain tissue, according to a new study. Both of these issues may contribute to a greater risk of stroke and cognitive impairment, the researchers said. "The forms of brain injury that we observed are important because they may not only contribute to the risk of stroke but also to chronic progressive cognitive and motor impairment," study author Dr. Andrew Lim, a neurologist and scientist at Sunnybrook Health Sciences Center in Toronto, said in a statement.

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Doctors Reflect on 'Surreal' Day of 2013 Asiana Airlines Crash

On July 6, Flight 214 from Incheon International Airport in South Korea crashed just short of the runway at San Francisco International Airport, striking the airport's seawall with its landing gear and tail section. It was San Francisco General that received the most patients of any area hospital that day, and doctors are now reporting their experience in the hopes of helping other hospitals prepare for a similar event. "The day was a surreal experience," said Dr. Rachael Callcut, a surgeon, and the lead author of a new article about the tragedy published today (Jan. 14) in the journal JAMA Surgery.

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Self-Filling Water Bottle Converts Humid Air into Drinkable H2O

Kristof Retezár, a designer based in Vienna, invented a device that can extract humidity from the air and condense it into drinkable water. The handy gadget, dubbed Fontus, can be attached to a bike so that cyclists can generate water during long-distance rides through the countryside, where pit stops may be few and far between. Fontus works using the basic principle of condensation, which can be easily demonstrated by taking something out of a refrigerator (for instance, a can of soda) and leaving it on the kitchen counter for a bit.


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NASA to Capture Best-Ever Portrait of Coral Reef Health

NASA is about to get up close and personal with Earth's corals: The space agency will use airplanes and water instruments to survey these delicate structures and capture the most detailed views ever of the planet's corals. Corals are crucial to Earth's ecosystem, but they are typically studied only occasionally, during diving expeditions. The new NASA campaign is aptly named CORAL (short for COral Reef Airborne Laboratory), and aims to assess the condition of these vulnerable ecosystems and to collect data on the size and quality of the reefs.


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Hawking: Threats to human survival likely from new science

LONDON (AP) — Physicist Stephen Hawking has warned that new technologies will likely bring about "new ways things can go wrong" for human survival.

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