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Nature

Faulty focus in school field trips

Fieldwork is supposed to help pupils learn to put their earth sciences theories into practice. Why then, do high school students struggle with practical tasks that primary school kids manage fine?

Close-ups: Pollen

The main source we have for information about past vegetation is found in pollen grains.

Hummingbirds can fly with almost no oxygen

The hummingbird’s super-fast wing beats are among the most energy-intensive movements in the animal kingdom. Still, the birds can fly 4,000 metres above sea level, where there is very little oxygen. Scientists have now figured out how this is possible.

Ants in gladiatorial combat reveal unique collaboration

Defenceless ‘farmer ants’ receive help from heavily armed venomous ants when their colony is attacked. This unique collaboration has now been documented through gladiatorial combat between the ants.

Why insects always hide in the dark

It is no coincidence that insect larvae always hide away in dark corners. Scientists have now discovered how the larvae know where it’s best to hide away.

Bison may boost Danish vegetation

A new study sets out to clarify what effect the reintroduction of bison will have on the Danish countryside. The bison may open up for a more diverse flora, says researcher.

Old concrete can purify rainwater

Strange as it may sound, concrete from your old bathroom can help make our environment greener. This is because concrete has a great ability to bind phosphorus, say the scientists behind a new project.

Fight fish disease with fish

Scientists are checking the possibility of limiting the spread of the dangerous fish disease FZT with the help of a very special fish.

Climate change eats up Arctic insect life

Scientists have found the first clear link between insect populations and rising temperatures in the Arctic.

Fungi and rust can stifle smell of slurry

New study shows how fungal spores and rust can help reduce the stench of slurry in biofilters, which help prevent harmful substances from being released into the atmosphere.