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Electrons can jump between trees

A new study shows that electrons can jump long distances through wood, which means that timber can transfer a small amount of electric charge.

Why bears can be obese and healthy

Bears put on huge amounts of fat, but don't suffer from heart problems and diabetes. Researchers think that the animals’ gut microbes might provide an explanation.

Top four ocean threats according to marine scientists

Overfishing, global warming, waste and contamination, and ocean acidification are at the forefront of scientists concerns.

Lo and Behold! Doctors dig Dylan

Medical researchers seem disposed to borrowing from Bob Dylan’s copious output of lyrics. This has resulted in papers with titles like “Knockin’ on pollen’s door”.

Sweden’s promise of a permanent home becomes migrant magnet

Asylum seekers have gone through the trauma of leaving their homes and families. The potential for a new stable life weighs strongly in their choices of where to seek safety.

Wild horses lost their camouflage because of humans

Scientists find the genetic mechanism that determines the colour patterns of wild horses.

Toothless in Sweden no more

Dental health in Sweden has improved radically over the last four decades, with just a tiny fraction of 50-year-old women toothless in 2004.

Kids who live with both parents in turn fare the best

Children who take turns living with each of their divorced parents generally enjoy better mental health than those living with just one. But this is not necessarily because of their living scheme.

Blood sample can disclose your biological age

A blood sample can reveal whether you are ageing faster or slower than your date of birth would suggest. Lifestyles can make you biologically from two to six years older or younger, according to a Swedish study.

Plants could be unreliable for us as carbon sinks

A new technique reveals how the metabolism of terrestrial plants has increased– and can decrease – with rising atmospheric CO2 levels.