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Climate Change: Preserving Ice Memory

February 24, 2023

Global temperatures are rising, and glaciers are melting. That's bad news for climate researchers who gather data from ice core samples.

https://p.dw.com/p/4Nqzb
PZUD Ice Memory
Image: SRF

The Ice Memory Initiative collects and saves ice cores in glaciers, which contain valuable information on the history of the climate but are melting fast.

 

Also on Tomorrow Today:

 

PZUD Lithium Atacama-Wüste
Image: ZDF

E-mobility: How sustainable is lithium mining?

Most of today's electric vehicles use lithium-ion batteries. Global demand for lithium is rising rapidly. But there are concerns that widescale mining in the 'lithium triangle' is a dirty business.

 

 

Atommodell und Periodensystem im Chemieunterricht
Image: picture-alliance/JOKER

Just ask! What is an isotopic signature? What can it be used for?

This week's viewer's question comes from Esomchukwu Ezeamaku in Nigeria.

 

 

 

PZUD
Image: SWR

The science of sleep

Psychologist Christine Blume from the University of Basel studies sleep disorders.

 

 

 

PZUD Hypnose und Tiefschlaf
Image: SRF

Hypnosis: Does it help you sleep?

Sleep researchers want to find out what effect hypnosis has on sleep, and whether it can help people reach a state of deep sleep, which becomes more elusive as we age.

 

 

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