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Bacteria

Should pneumonia be treated with antibiotics?

Many children are given antibiotics for pneumonia unnecessarily. Antibiotics only work for bacterial infections and most cases of pneumonia are caused by viruses.

Scientists find smallest life forms on Earth

Researchers may have found the smallest life forms on Earth. The bacteria they found are much smaller than scientists thought possible.

Norway fights back against superbugs

A new national strategy on antimicrobial resistance aims to cut antibiotic use in Norway. But not enough is known about cutting use without compromising treatment, experts say.

Time to rethink how fungi and bacteria impact the climate

A Swedish and US researcher think climate models have to be revised. A Norwegian expert has doubts about that.

Underground animal world crucial for life above ground

New study shows that subterranean bacteria, worms, and beetles play a critical role in climate and plant life above ground.

We are infected with Salmonella during overseas travel

Many travelers take Salmonella infections home, shows new report.

Uncovering the secrets of immune system invaders

Some bacteria and viruses take advantage of the way our immune system works to infect us. Researchers are uncovering the mechanisms by which this trickery takes place.

Nose bacteria can reduce risk of hospital infections

Changing the bacterial composition in your nose could combat MRSA and help to avoid infections during surgery.

Infections can damage your intelligence

Serious infections damage your cognitive abilities and can lead to fatigue, headaches, and stress.

Scientists find missing link of microorganisms

The tree of life has to be rewritten after a new type of microorganism was found recently in the depths of the ocean.