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Bacteria use their own pumps to collect magnesium

The system used by bacteria to transport magnesium is so sensitive that it can detect a pinch of magnesium salt in a swimming pool.

What you should know about animal research

OPINION: Why animal testing is still necessary.

Skeletons reveal history

Using skeletons, biological anthropologist Stian Suppersberger Hamre studies the diet and travels of Scandinavians 1,000 years ago.

This is how your immune system's memory works

How can your body's defence forces recall previous attacks?

Viking movie will be entirely in Old Norwegian

Liða skaltú ok deyja! — May you suffer and die! Thorough research and hard work has led to one of few films to exclusively use genuine viking language.

Burning a match - does it get rid of nasty bathroom odors?

Two chemists attempt to answer this age-old question.

Even the smallest love handle can be dangerous

It's not just obesity that can increase the risk of heart failure. Just a few extra kilos, especially around the gut, can have similar effects.

Early Earth may have been freezing cold

Contrary to popular belief: When Earth’s first organisms were formed, it may have been in an ice cold ocean.

Is optimism the key to making weight loss surgery a success?

A new Norwegian study compares people who underwent bariatric surgery with those who tried to lose weight using traditional dieting and exercise. One difference was optimism in the surgery group that they would succeed.

“Research has neglected the caring Arab man”

The cover of her new book shows an Arab man feeding a baby milk from a bottle. “This is my way of moving Middle Eastern gender studies in a new direction,” says Nefissa Naguib.