Biology

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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.

Fly hunter has discovered 30 new species

DNA analysis allows new species to be described all the time. Researcher Xiaolong Lin has recently published a description of eight new non-biting midge species, but has found many more.

A “health centre” for juvenile salmon

The condition of the water in salmon hatcheries can tell us a great deal about when and why outbreaks of disease occur. Now, SINTEF researchers are about to expose the water’s secrets, both to prevent suffering in fish and to save the aquaculture industry a great deal of money.

Infidelity can be forgiven – but at a cost

Most people who have been unfaithful do not believe it when their partner says they forgive them. And the fact that men often don’t realize that emotional infidelity is a problem just feeds the conflict.

How can people and predators coexist?

Predators and people have lived side by side since time immemorial in the Serengeti National Park region in Tanzania. But strong population growth is leading to greater conflicts.

Stress in the nest can have lifelong effect

Why do some sparrows hatch six chicks while others don’t hatch any? How does upbringing affect the remainder of their lives? Physiological stress in the nest can actually affect birds’ DNA and possibly their lifespan.

Human Evolution in the Sea at Bioko

Did some of our human features evolve while our ancestors were living in water? The aquatic ape theory has been disregarded by paleoanthropologists, but it deserves another chance.

Avian songsters

Bird songs have many functions, but their main purpose is to attract a mate. Some of the best avian singers are described below.

Earth to ISS: Norway calling

Norway has direct contact with the ISS space station. Now CIRiS – the Centre for Interdisciplinary Research in Space – is opening a new control room.

Climate change, ocean diversity and women in science

Science has made great strides since Svante Arrhenius, the Swedish Nobel Laureate who in 1896 first determined that carbon dioxide from human activity could warm the planet. The same progress hasn’t been made in increasing the number of women in the sciences.