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Science News for May 12, 2017


Jurassic drop in ocean oxygen lasted a million years

Scientists from the University of Exeter found that a 183 million-year-old oceanic oxygen depletion event ended after one million years due to increased atmospheric oxygen and rising fire activity. This study highlights the critical need to limit carbon emissions to prevent future anoxic events in the modern ocean.

SourceUniversity of Exeter·JournalNature Communications·DateMay 12, 2017

Osteoarthritis could be prevented with good diet and exercise

Researchers at the University of Surrey found that metabolic changes caused by poor diets and sedentary lifestyles can trigger genetic reprogramming in cells, leading to inflammation and cartilage damage. By controlling metabolic changes through healthy eating and exercise, it may be possible to slow or even prevent osteoarthritis.

SourceUniversity of Surrey·JournalNature Reviews Rheumatology·DateMay 12, 2017

New data show Human Milk Oligosaccharide (HMO) improves the balance of bacteria in formula-fed babies' digestive systems*, providing important immune system and health benefits

Research shows that the presence of HMO in formula-fed babies' digestive systems increases both good bacteria and metabolic activity beneficial to their health. The study also found that the addition of HMO brings Similac closer to breast milk than ever before, closing gaps in immune function.

SourceAbbott·DateMay 12, 2017

Untangling the knots in cell stress

Researchers from Kyoto University have made a breakthrough in understanding the role of unfolded protein response (UPR) transducers in coping with ER stress. They found that different UPR transducers are activated selectively, depending on the developmental stage of the cell and type of stress, to orchestrate various biological processes.

SourceKyoto University·JournalJournal of Cell Biology·DateMay 12, 2017

Lifting your spirits doesn't require many reps

A new study from the University of Connecticut found that even light physical activity can improve mental well-being and reduce depression. The research suggests that individuals who engage in low-intensity exercise, such as a leisurely walk, experience greater benefits than those who undertake vigorous activities.

SourceUniversity of Connecticut·JournalJournal of Health Psychology·DateMay 12, 2017

Hafnia dons a new face

A team of researchers has found a way to achieve the highly sought-after tetragonal phase of hafnia, a material for computer chips and transistors, at 1100 degrees Fahrenheit. This breakthrough could lead to more powerful and efficient electronics.

SourceUniversity of Kentucky·JournalNature Communications·DateMay 12, 2017