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Katarina Zimmer

Katarina Zimmer

BBC

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How eight people survived in a 'mini Earth'

In the early 1990s, a small team tried to survive in a hermetically sealed space containing replicas of Earth's ecosystems. Their trials and...

yesterday 100

BBC

Katarina Zimmer

The benefits of cleaning with vinegar

Katarina Zimmer put vinegar to the test as a cleaning product and discovered a wide range of benefits, for people and the planet. A few months ago in...

25.04.2025 40

BBC

Katarina Zimmer

The polar bear allergic to human hair

It may be that zoo animals are so well cared for they develop allergies as a side effect. In 2018, staff at Lincoln Park Zoo in Chicago began to...

04.04.2025 40

BBC

Katarina Zimmer

What tortoises teach us about a happy life alone

Solitary lifestyles can have some big advantages in the animal world. Can humans learn anything from them? The Middle East blind mole rat is the...

15.02.2025 20

BBC

Katarina Zimmer