Science news articles about 'oxygen depletion'

  • Oxygen depletion: A new form of ocean habitat loss

    ... eastern Indian Ocean were much less pronounced,” said Stramma. “Whether or not these observed changes in oxygen can be attributed to global warming alone is still unresolved. The reduction in oxygen ...
  • Green tea compounds beat OSA-related brain deficits

    ... through drinking water, on rats who were intermittently deprived of oxygen during 12-hour “night” cycles, ... rats into two groups that underwent intermittent oxygen depletion during the 12-hour “night” ...
  • USC researchers identify genetic markers that predict efficacy of novel cancer drug

    ... blood vessel formation that provides nutrients and oxygen to cancerous growths, says Wilson. As tumor cells ... Factor 1α (HIF1α) in order to deal with the oxygen depletion. HIF1α results in the tumor cell ...
  • Smoking during pregnancy increases risk of SIDS

    ... -week-old rat pups were randomized to undergo either thermoneutral or hyperthermic exposure to an oxygen-depleted environment. Researchers then analyzed the respiratory responses to the challenges. ...
  • Forecast: Dead zone off La., Texas coasts to grow

    Researchers predict a "dead zone" of oxygen-depleted waters off the Louisiana and Texas could grow this summer to 10,084 square miles, making it the largest such expanse in at least 23 years.
  • Eruptions wiped out ocean life 94 million years ago

    ... towards the sea floor caused further oxygen depletion, thereby compounding the effects of the volcanic ... anoxic event, where the ocean is completely depleted of oxygen, Anoxic events—while extremely ...
  • Oceanic Dead Zones Continue to Spread

    ... world's oceans: Dead zones--areas of bottom waters too oxygen depleted to support most ocean life--are spreading, dotting nearly the entire east and south coasts of the U.S. ...
  • Common treatment to delay labor decreases preterm infants' risk for cerebral palsy

    ... has biologic plausibility, because magnesium stabilizes blood vessels, protects against damage from oxygen depletion, and protects against injury from swelling and inflammation, all of which threaten ...
  • Oceanic Dead Zones Continue to Spread

    ... : Dead zones--areas of bottom waters too oxygen depleted to support most ocean life--are spreading, dotting ... dead zone remains the Baltic Sea, whose bottom waters now lack oxygen year-round. [More]
  • Smoking during pregnancy a 'double-edged sword' in SIDS

    ... rates was observed in control infants, indicating that the oxygen depletion put their bodies under more stress ... control groups. Furthermore, while blood oxygen levels decreased similarly in both groups ...
  • Positive exercise testing in athletes: What does that mean?

    ... in individuals with underlying coronary artery disease (CAD). Several factors potentially contributing to oxygen depletion of the heart muscle (myocardial ischemia), may be specifically related to a ...
  • Oceanic Dead Zones Continue to Spread

    ... : Dead zones--areas of bottom waters too oxygen depleted to support most ocean life--are spreading, dotting ... dead zone remains the Baltic Sea, whose bottom waters now lack oxygen year-round. [More]
  • Also in the Sept. 23 JNCI

    ... mice with anaerobic bacteria, such as Cp, that thrive in oxygen-depleted environments. However, wild-type ... New York and colleagues deleted a key oxygen tolerance gene (sod) from the bacterial genome. ...
  • Brown scientist finds coastal dead zones may benefit some species

    ... commercially valuable clam actually benefits from oxygen-depleted waters. Andrew Altieri, a post- ... mercenaria) increased in number in hypoxic zones, defined as areas where dissolved oxygen in the water ...
  • Dramatic expansion of dead zones in the oceans

    ... would lead to a dramatic expansion of low-oxygen areas zones in the global ocean by a factor of ... few generations to limit ongoing ocean oxygen depletion and acidification and their long-term adverse ...

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