1. Skip to content
  2. Skip to main menu
  3. Skip to more DW sites
Live TV
Latest audioLatest videos
In focus
Israel and the crisis in the Middle EastGerman coalition collapseUS election

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.

 

 

Broadcasting Hours: 

DW English

SAT 25.02.2023 – 03:30 UTC
SUN 26.02.2023 – 21:30 UTC
MON 27.02.2023 – 05:30 UTC
MON 27.02.2023 – 15:30 UTC

Lagos UTC +1 | Cape Town UTC +2 | Nairobi UTC +3
Delhi UTC +5,5 | Bangkok UTC +7 | Hong Kong UTC +8
London UTC +/-0 | Berlin UTC +1 | Moscow UTC +3
San Francisco UTC -8 | Edmonton UTC -7 | New York UTC -5

DW Deutsch+

MON 27.02.2023 – 07:30 UTC

Vancouver UTC -8 | New York UTC -5 | Sao Paulo UTC -3