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Agriculture May 07, 2021

Soybean and linseed oils added to cows' diet improves the quality of milk

Inclusion of soybean and linseed oils in the diet of dairy cows made the fatty acid content of their milk even healthier for human nutrition. It also increased the proportions of omega-6 and omega-3, which in the right balance ...

Molecular & Computational biology May 07, 2021

Artificial intelligence makes great microscopes better than ever

To observe the swift neuronal signals in a fish brain, scientists have started to use a technique called light-field microscopy, which makes it possible to image such fast biological processes in 3D. But the images are often ...

Plants & Animals May 07, 2021

From baby blue-tongues to elephant doulas: Motherhood across the animal kingdom

With Mother's Day around the corner, it's a good opportunity to ask what being a mother looks like across the animal kingdom. Most of us have a solid concept of human motherhood, but in nature maternal care comes in many ...

Ecology May 07, 2021

PCB contamination in Icelandic orcas: A matter of diet

A new study from McGill University suggests that some Icelandic killer whales have very high concentrations of PCBs (polychlorinated biphenyls) in their blubber. But it seems that other orcas from the same population have ...

Plants & Animals May 06, 2021

The longer the yawn, the bigger the brain

Yawning doesn't need be a sign of boredom. Rather, it appears to be a measure of brain size. Vertebrates with larger brains yawn longer, according to a study of more than one hundred species of mammals and birds. The findings ...

Ecology May 06, 2021

International team partners with UN to launch global initiative to map ungulate migrations

An international team of 92 scientists and conservationists has joined forces to create the first-ever global atlas of ungulate (hooved mammal) migrations, working in partnership with the Convention on the Conservation of ...

Evolution May 06, 2021

Shuvuuia: A dinosaur that hunted in the dark

Today's 10,000 species of birds live in virtually every habitat on Earth, but only a handful have adaptations enabling them to hunt active prey in the dark of night. Scientists have long wondered whether theropod dinosaurs—the ...

Social Sciences May 06, 2021

Worth 1000 words: How the world saw Australia's black summer

Australia's 'black summer' of bushfires was depicted on the front pages of the world's media with images of wildlife and habitat destruction, caused by climate change, while in Australia the toll on ordinary people remained ...

Archaeology May 06, 2021

Archaeologists have discovered the earliest anthropogenic landscape on Earth

As far as we know, humans as a species have been around for at least 300 000 years. Recently, we have come to realize that our impact on the climate and earth's ecology is unsustainable. Landscape change driven by humans ...

Evolution May 06, 2021

Comprehensive genetic analyses confirm four different giraffe species and seven subspecies

Visually, they are hardly distinguishable, but genetic analyses show: There are four distinct species of giraffe and seven subspecies. This result was obtained by an international team led by Prof. Dr. Axel Janke from the ...

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