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Dissertation Award to Teppo Niinimäki

The Finnish Information Processing Research Foundation (Tietotekniikan tutkimussäätiö) has awarded the Dissertation Award of 2016 to Dr. Teppo Niinimäki for his Ph.D. thesis "Approximation Strategies for Structure Learning in Bayesian Networks", completed at the Department of Computer Science of University of Helsinki.
The prize was awarded at the annual Finnish conference of computer science held in Tampere on June 9-10, 2016.

Thiamine deficiency in wildlife more widespread than previously thought

Deficiency of vitamin B1 (thiamine) in wildlife was previously described as a problem among certain species within relatively limited geographical areas. Now, researchers at ACES, together with colleagues from several other research institutions in Europe and North America, show that thiamine deficiency is far more widespread than previously thought. The results are published in the journal Scientific Reports.

Amid rapid change, major Arctic study highlights need to prepare for surprises

The Arctic Resilience Report, published today, is the first comprehensive assessment of ecosystems and societies in the region. It identifies 19 “tipping points” in natural systems that could radically reshape the Arctic in the coming century, and calls for urgent cooperation to build local communities’ resilience and capacity to adapt to rapid and widespread change.

Drought-tolerant species thrive despite returning rains in the Sahel

Following the devastating droughts in the 70s and 80s in the Sahel region south of the Sahara desert, vegetation has now recovered. What surprises the researchers is that although it is now raining more and has become greener, it is particularly the more drought resistant species that thrive instead of the tree and shrub vegetation that has long been characteristic of the area. This is shown in a study from Stockholm University published in the journal Land Use Policy.

Copper gives an answer to the rise of oxygen

A new study presents evidence that the rise of atmospheric oxygenation did indeed occur 2.4–2.1 billion years ago. It also shows that biological usage of copper became prominent after the so called “Great Oxidation Event”. An international team of researchers has recently published the study in the Proceedings of the National Academy of Sciences (PNAS).

Large variations in precipitation over the past millennium

According to a new study in Nature, the Northern Hemisphere has experienced considerably larger variations in precipitation during the past twelve centuries than in the twentieth century. Researchers from Sweden, Germany, and Switzerland have found that climate models overestimated the increase in wet and dry extremes as temperatures increased during the twentieth century. The new results will enable us to improve the accuracy of climate models and to better predict future precipitation changes.