News about Science

Past global photosynthesis reacted quickly to more carbon in the air

Ice cores allow climate researchers to look 800,000 years back in time: atmospheric carbon acts as fertilizer, increasing biological production. The mechanism removes carbon from the air and thereby dampens the…

Past global photosynthesis reacted quickly to more carbon in the air

Ice cores allow climate researchers to look 800,000 years back in time: atmospheric carbon acts as fertilizer, increasing biological production. The mechanism removes carbon from the air and thereby dampens the…

Quantum leap towards transplanting stem cells into the intestines

Stem cell transplantation can cure mice suffering from inflammation in the large intestine. This is good news for ulcerative colitis patients, as it may lead to the development of new treatment forms that do not result…

How new bird species arise

Much of a centuries-old debate over where and how new bird species form has now been resolved. Researchers at the University of Copenhagen have provided evidence that birds in mountainous areas – where the vast majority…

Survey: Strong consensus among experts for higher CO2 prices

Almost all academic experts recommend higher carbon prices as a way to limit global warming, the first comprehensive global survey on carbon pricing concludes.

Black Hole Billiards in the Centers of Galaxies

Researchers provide the first plausible explanation to why one of the most massive black hole pairs observed to date by gravitational waves also seemed to merge on a non-circular orbit. Their suggested solution, now…

Black Hole Billiards in the Centers of Galaxies

Researchers provide the first plausible explanation to why one of the most massive black hole pairs observed to date by gravitational waves also seemed to merge on a non-circular orbit. Their suggested solution, now…

Green political scientist: Non-state actors are now driving the green transition

The climate scientists: Portrait of political scientist Michele Betsill and her research in the non-state actors' influence on green agendas.

How Serious Are Health-Related Welfare Problems in Unowned Unsocialised Domestic Cats?

This paper presents results from the corpses of 598 unsocialised cats euthanised in Denmark in 2019 by two cat welfare organisations. Our findings reveal that unsocialised cats in Denmark face only a moderate load of…

Nordic diet lowers cholesterol and blood sugar – even if you don't lose weight

A healthy Nordic diet can prevent a range of diseases. Until now, the health benefits attributed to a Nordic diet by researchers primarily focused on weight loss. But in a new study, University of Copenhagen researchers…

David John Willumsen

Title: Effect of Water in Cool Atmospheres Supervisors: Uffe Gråae Jørgensen

How to create an artificial gut

An artificial bowel could potentially treat many severely disabling diseases. Now researchers from the University of Copenhagen have improved understanding of how to create various parts of the intestine.

Pig grunts reveal their emotions

We can now decode pigs’ emotions. Using thousands of acoustic recordings gathered throughout the lives of pigs, from their births to deaths, an international team of researchers is the first in the world to translate pi…

People spreading misinformation are ridiculed rather than met with facts

People who spread misinformation on Twitter are more often met with ridicule than with fact-based arguments, new study shows.

Ethicist’s commentary on use of Ventilation Shut Down

Ethical question of the month, December 2021 Ventilation Shut Down (VSD) and VSD 1 (the plus is the addition of heat or CO2) is a mass depopulation method employed in barns in “constrained circumstances” by the poultry…

Market driven initiatives can improve broiler welfare – A comparison across five European countries

Market driven initiatives can have a strong impact on improving broiler welfare, building on those standards achieved by animal welfare legislation.

Neural networks behind social media can consume an infinite amount of energy

Artificial neural networks are deployed intensively by social media platforms like Twitter and Facebook to recommend content that matches user preferences. The process is energy intensive and generates heavy carbon…

Neural networks behind social media can consume an infinite amount of energy

Artificial neural networks are deployed intensively by social media platforms like Twitter and Facebook to recommend content that matches user preferences. The process is energy intensive and generates heavy carbon…

Charlotte Cramer Kristensen

Title: Investigation of the existence and expected mass of a companion black hole for Sagittarius A* Supervisor: Anja C. Andersen

New robot helps dairy workers make Havarti and Danbo

The world's very first cheese robot is on the move and helping a Danish dairy with the quality control of its cheeses. According to the University of Copenhagen researcher behind the invention, the robot can save dairy…

290 million new city dwellers benefit China's climate balance

Contrary to popular belief, China’s massive emigration from rural areas to cities has been shown to have a positive effect on China's carbon stocks. Urbanization can even play a role in attaining climate neutrality. Thi…

Insect wingbeats will help quantify biodiversity

Insect populations are plummeting worldwide, with major consequences for our ecosystems and without us quite knowing why. A new AI method from the University of Copenhagen is set to help monitor and catalogue insect…

Positive animal welfare: Bridging the gap or raising inequalities worldwide?

This paper takes a comparative approach to the ways animals are kept in various parts of the world, and highlights the opportunities and potential barriers to promote positive animal welfare in a global context.

Pharmaceutical residues in sewage sludge and cattle manure do not have the feared effect

Pharmaceutical residues and chemicals from personal care products in sewage sludge and cattle manure do not have a detectable toxic effect on nematodes living in agricultural fields, according to 14-year-long experiment…