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Tag: "helium" at biology news

Science's Breakthrough of the Year: Watching evolution in action

...evidence for the ivory-billed woodpecker and solid helium flowing like a liquid. ...

Superconducting magnet attracts molecular research

...at create the magnetic field were bathed in liquid helium to drop the temperature to 2 degrees Kelvin or min...et uses no power at all, although the large liquid helium tank surrounding the coil needs to be refilled every six weeks or so. Once the magnet has been ...

New MRI technique shows emphysema in asymptomatic smokers

...lunteers inhale a special kind of "hyperpolarized" helium before they performed two MRI tests of the lungs. Eleven of the volunteers were smokers with no symptoms of emphysema, and the remaining eight were nonsmokers. The first image the researchers acquired showed obstructed areas of the lungs, where the a...

Helium helps patients breathe easier

...s for bobbing balloons and squeaky voices, but now helium is also helping people with severe respiratory pro...Edmonton, Canada have discovered that by combining helium with 40 per cent oxygen allowed patients with chronic obstructive pulmonary disease (COPD) to increa...

'Short-circuit' found in ocean circulation

...hat flows around Antarctica by tracing the path of helium from underwater volcanoes. The details are publish...rchers made use of a unique signal - the spread of helium released naturally from the Earth’s interior at deep vents in the Pacific. The helium dissolves in t...

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