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Tag: "air" at biology news

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...ple source of energy. "You can smellsulfide in the air at Yellowstone, and the accepted idea was thatsulfur was the energy source for life in the hot springs," Spear said.Not so, according to the team's computer models built on fieldmeasurements of hydrogen, sulfide, dissolved oxygen concentration andoth...

Antarctic ice shelf retreats happened before

...urred after a long period of warmth. Whilst rising air temperatures are believed to be the primary cause ... leaders of the project said, 'We know that rising air temperatures can break up ice shelves but there has been a suspicion for some time that the role of ...

Inflammatory molecules released by pollen trigger allergies

...ing immune response. Pollen from plants exposed to air pollutants produce more of these allergy-provoking compounds than do pollen from unpolluted areas, possibly explaining why allergies are more prevalent in places with high levels of car exhaust emissions. Traidl-Hoffmann and colleagues showed that e...

Scientists collaborate to assess health of global environment

...ast 50 years--most notably fresh water, fisheries, air and water purification, and the regulation of climate, natural hazards and pests. Only four have been enhanced, and three of those pertain to food production. Turning things around will require significant policy and institutional changes not curren...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

...o combat aging. The concentration of oxygen in the air we breathe is toxic to us. Indeed, fruit flies, wh...gen in its trachea, the series of tubes that carry air directly to cells for gas exchange. Using a respirometer (an instrument for measuring respiration th...

New studies suggest airborne SARS transmission is possible

...h had shown. SARS coronavirus was detected in the air in a patient's room during the 2003 outbreak in To...firmation of the presence of the SARS virus in the air of an infected patient's hospital room. The authors cautioned that their results do not document an...

First real-time view of developing neurons reveals surprises, say Stanford researchers

...s to light up. "At first we felt like we let some air out of our own tires with this finding," said Smith. His previous work had supported the prevailing idea that neurons need a period of fine-tuning before establishing their final identity. Still, the experiments mark the first time researchers have ...

New Breast Cancer Test Could Save Lives

...ies of BBC Radio 4’s Leading Edge, which is due to air around February or March this year. ...

Falling ants glide back to trunk to avoid dangers of forest floor

...d the tree, and use their head-up fall through the air to take them feet-first toward the trunk. How they land is still a mystery, but evidently claws on their back legs act like grappling hooks to snag the trunk and hang on. "When they drop, they often glide away from the trunk, then turn and come in b...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...task ?generating enough power to overcome gravity, air resistance and drag ?and they do this by beating their wings ferociously,?said Maughan. “We found out that timing is key, where certain molecules have to be positioned exactly with respect to others during each phase of the wing beat in order to prod...

Scientists discover how fish evolved to float at different sea depths

...ve no swimbladder and others fill it by swallowing air at the surface of the water. Another group of fishes has a closed swimbladder that is inflated through gas secretion even when they are in high water pressures. My aim was to find out how these systems came into place and how this allowed for the gre...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...nally, they reseal the retina over the ASR, insert air into the middle of the eye to gently push the reti...d close the incisions. Over a period of 1 week the air bubble is resorbed and replaced by fluids created within the eye. According to Chow, "The use of th...

Ophthalmologists implant five patients with artificial silicon retina microchip

...nally, they reseal the retina over the ASR, insert air into the middle of the eye to gently push the reti...d close the incisions. Over a period of 1 week the air bubble is resorbed and replaced by fluids created within the eye. According to Chow, "The use of th...

New lab technique identifies high levels of pathogens in therapy pool

...enes from different bacteria and fungi in the pool air and water and identify more than 600 unique sequen...d periods, said Pace. Since the study, the rate of air exchange in the pool area has been increased and additional air filters have been installed that hav...

Buying Time Through Hibernation on Demand

...cing the mice in a chamber filled with normal room air laced with 80 parts per million of hydrogen sulfide, a chemical normally produced in humans and animals that is believed to help regulate body temperature and metabolic activity. Within minutes of breathing the hydrogen sulfide and room-air cocktail...

U-M team recovers ancient whale in Egyptian desert

...cing the mice in a chamber filled with normal room air laced with 80 parts per million of hydrogen sulfide, a chemical normally produced in humans and animals that is believed to help regulate body temperature and metabolic activity. Within minutes of breathing the hydrogen sulfide and room-air cocktail...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...werful estrus calls carry more than 2 miles in the air and may be accompanied by long-distance seismic si...ke off." Reacting to a warning call played in the air is one thing, but what if the elephant could only feel the call through the ground? To find out, th...

Grizzlies set to invade high Arctic?

...e surprising Melville Island grizzly bear from the air during a helicopter ride to a geology research site in 2003. He photographed mid-distance shots of the large bear with characteristic grizzly features including a prominent shoulder hump, dark brown hair on and around the rear legs, and faded (grizzl...

Africa to take it on chin again with climate change

...As showers and thunderstorms develop in the rising air above the warming ocean, says Hurrell, they help lead to sinking air and drought in a surrounding ring that includes southern Africa. "In our models, the Indian Ocean s...

Low oxygen likely made Great Dying worse, greatly delayed recovery

...ould have been the same as it is today in the thin air at 17,400 feet, higher than any permanent human habitation. That means even animals at sea level would have been oxygen challenged. Huey and UW paleontologist Peter Ward are authors of a paper detailing the work, published in the April 15 edition of...

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(Date:7/21/2014)... of Middle East Respiratory Syndrome coronavirus (MERS-CoV) in the ... the virus. The work, published this week in ... Society for Microbiology, indicates that further studies are needed ... the air. , MERS, a serious viral respiratory illness ... people as of June 11, according to the World ...
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Breaking Biology News(10 mins):Middle East Respiratory Syndrome coronavirus detected in the air of a Saudi Arabian camel barn 2Seals forage at offshore wind farms 2UCI researchers find epigenetic tie to neuropsychiatric disorders 2
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