Biology

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Unlocking the secrets of evolution

We know that evolution works over many, many millennia, giving rise to everything from hippopotamuses to whales and more. A new study looks at the links between microevolution, or evolution over a shorter period, and macroevolution, or evolution over thousand or millions of generations.

Bat in hand.

How bats survive Norwegian winter nights

Bats hunt at night, navigating in the dark using echolocation to find insects and other food. During the winter, bats in Norway have to manage as best they can by hibernating, but until now, not much has been known about how they do this.

Tree ring research: Three researchers on a raft

When trees talk

We think of trees as silent sentinels, watching as the world goes by and the ages pass. But what if you could interview them about what they have seen?

Aeromonas. Sushi.

How safe is your sushi?

Bacteria in raw seafood can make you sick. Seafood can also spread bacteria that are resistant to antibiotics.

Listening to Leviathans

Nineteenth-century Norwegian technology helped bring large whale populations to the brink of extinction. Can 21st-century technology help save them?

deep sea octopus

Into the depths of the Arctic Ocean

Arctic researchers have travelled north to study ice and life in the Arctic Ocean. They discovered a creature at a depth of 3500 metres, a “dumbo octopus” dancing in the deep waters in a ballerina’s skirt.