Biology

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How plants respond to attacks

Plants have to defend themselves against drought, enemies and disease. But different threats demand different responses. So how do plants know what’s attacking them?

Norwegian public asked to name a species

The moss world will never be the same. The moss Norwegian researchers thought they knew has played a trick on them. In return, researchers are calling on the Norwegian public to name a new species.

In the bullfinch world, she gets to decide

A lot of birdwatchers like the bullfinch. They’ve probably noticed that the female can chase off the more colourful male from the bird feeder. That makes this species different.

Plastic in rivers and lakes a growing concern

Almost all research on plastic contamination in water systems focuses on oceans. But the biggest problem is plastic that ends up in freshwater ecosystems, according to an NTNU biologist.

Vampire bats’ bloody teamwork

Vampire bats are the only mammals that feed exclusively on blood. The way they manage to do that offers us some remarkable insights into evolution.

What the Vikings put in their pillows

Not too many people are able to identify birds by examining a single feather. But a number of folks need to know that sort of thing, and it can actually save lives.

Is the woolly mammoth really gone for good?

Should we reintroduce animal species that have died out? New technology may offer opportunities that no one could imagine a few decades ago. But the answer may not be as simple as you think.

Secrets of the sea raised from the depths

The mysteries below the ocean’s surface have triggered human exploration and imagination for centuries. New marine robotics now make it possible to explore what goes on in the ocean depths.

Shedding light on zooplankton in the dark

We know that tiny marine creatures in the Arctic respond to weak light from the Moon or the northern lights during the polar night. Now researchers have learned that artificial light from research vessels can also have a negative effect.

Why the passenger pigeon died out

The passenger pigeon was once among the most numerous species on earth. The last passenger pigeon died in the Cinncinati Zoo just over 100 years ago. How did it all go so wrong?

Mystery in the bear cave

The oldest known bear bones from northern Scandinavia have been discovered in a limestone cave. But the cave also contained a mystery.

Brawler at the bird feeder

The common redpoll gets into brawls when it seems like it should really be watching out for enemies. How can that end well?

The Maasai’s unknown cousins

They live side by side with the Maasai people and maintain a culture where rituals and music play an important role. The Sonjo people’s harvest ceremony is their most central ritual.