1. Skip to content
  2. Skip to main menu
  3. Skip to more DW sites
Live TV
Latest audioLatest videos
In focus
LebanonUkraineGerman politics
Science

Why is smoke sometimes white and sometimes black?

01:40

This browser does not support the video element.

February 9, 2018

#wanttoknow! – This week's viewer question comes from Harfiz Abu Bakury in Ghana.

Skip next section DW's Top Story

DW's Top Story

Red lines: Will Arab leaders go beyond angry words?

They have accused Israel of pushing the Middle East towards war. But is there anything Arab leaders can do to stop this?
ConflictsSeptember 26, 2024

Middle East: Netanyahu dismisses Lebanon cease-fire reports

ConflictsSeptember 27, 2024

UN General Assembly: Abbas tells leaders to end war in Gaza

PoliticsSeptember 27, 2024

Israel-Hezbollah conflict: Civilians caught in the crossfire

ConflictsSeptember 26, 202402:21 min
Skip next section More stories from DW

More stories from DW

Africa

Congo: Displaced people caught between conflict and crisis

Congo: Displaced people caught between conflict and crisis

ConflictsSeptember 26, 2024
More from Africa

Asia

Pakistan: Police blasphemy killings raise new concerns

Pakistan: Police blasphemy killings raise new concerns

SocietySeptember 26, 2024
More from Asia

Germany

Germany: Government crisis deepens as Green leaders resign

Germany: Government crisis deepens as Green leaders resign

PoliticsSeptember 25, 2024
More from Germany

Europe

How Turkey is competing with China for influence in Africa

How Turkey is competing with China for influence in Africa

BusinessSeptember 26, 2024
More from Europe

Middle East

Escalation in Lebanon: What is Israel trying to achieve?

Escalation in Lebanon: What is Israel trying to achieve?

PoliticsSeptember 24, 2024
More from Middle East

Latin America

The true cost of protecting the Amazon and who should pay

The true cost of protecting the Amazon and who should pay

Nature and EnvironmentSeptember 24, 2024
More from Latin America
Go to homepage