Elite freedivers have brain oxygen levels lower than seals
Elite freedivers who dive unaided in open sea, have brain oxygen levels even lower than seals during their deepest dives, new research at the University of St Andrews has found.
Elite freedivers who dive unaided in open sea, have brain oxygen levels even lower than seals during their deepest dives, new research at the University of St Andrews has found.
Plants & Animals
Jun 29, 2021
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(Phys.org)—For years, bedbugs have been turning up in sometimes odd and random places, such as subways, movie theaters, dressing rooms and schools, but scientists believed that to flourish, the insects would need more frequent ...
Plants & Animals
Nov 1, 2012
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When accidents that involve traumatic brain injuries occur, a speedy diagnosis followed by the proper treatment can mean the difference between life and death. A research team, led by Jason D. Riley in the Section on Analytical ...
Optics & Photonics
Dec 20, 2011
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Optical Mammography, or OM, which uses harmless red or infrared light, has been developed for use in conjunction with X-rays for diagnosis or monitoring in cases demanding repeated imaging where high amounts of ionizing radiation ...
Optics & Photonics
Mar 23, 2018
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296
Researchers are calling for space headache to be established as a new secondary disorder after carrying out a study of 17 astronauts, published in the June issue of Cephalalgia.
Space Exploration
Jun 2, 2009
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Research from Japan has produced a NIRS probe small enough for implanted use in brain functional imaging of humans. Based on flexible printed circuit technology, the probe is also cheaper and simpler to produce than conventional ...
Engineering
Mar 6, 2014
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Australia's love of sport means it has one of the highest rates of knee anterior cruciate ligament (ACL) injury and reconstruction in the world.
Biochemistry
Apr 14, 2020
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49
Stroke, one of the leading causes of death worldwide, is normally caused by poor blood flow to the brain, or cerebral ischemia. This condition must be diagnosed within the first few hours of the stroke for treatment to be ...
Optics & Photonics
Jun 11, 2019
0
109
A wearable non-invasive device based on near-infrared spectroscopy (NIRS) can be used to investigate blood volume and oxygenation patterns in freely diving marine mammals, according to a study publishing June 18 in the open-access ...
Plants & Animals
Jun 18, 2019
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38
With recent forays into space travel by business moguls like Jeff Bezos and Richard Branson, visiting the edge of space has never been more within the grasp of commercial travel. However, at these altitudes, passengers experience ...
Space Exploration
Aug 12, 2021
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