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What is an isotopic signature?

02:55

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February 24, 2023

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

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Similar stories from Global issues

Animal acrobats 

This week’s Tomorrow Today viewer's question comes from Reyhan Aniz in India.
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Women in medicine: Between historical stigma and excellence

Despite evidence women are the better surgeons, they remain significantly underrepresented in clinical leadership roles.
ScienceDecember 12, 202526:04 min

Child medicine shortages leaves parents, medics desperate

When kids get sick, proper meds are often missing. Many drugs aren’t approved, forcing pharmacies to improvise.
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DW's Top Story

Ukraine updates: EU allies continue peace talks in Berlin

Ukrainian President Zelenskyy is in Berlin for talks with Germany's Merz and other European allies. Follow DW for more.
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Africa

Rwanda-backed forces continue offensive in DRC

Rwanda-backed forces continue offensive in DRC

ConflictsDecember 13, 202502:42 min
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Asia

Sumatra residents struggle as aid falls short after cyclone

Sumatra residents struggle as aid falls short after cyclone

CatastropheDecember 13, 202502:55 min
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Germany

A euro a year to rent in Germany? Fuggerei makes it possible

A euro a year to rent in Germany? Fuggerei makes it possible

LifestyleDecember 13, 202505:04 min
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Europe

How Denmark's Mette Frederiksen has put her stamp on Europe

How Denmark's Mette Frederiksen has put her stamp on Europe

PoliticsDecember 13, 202503:50 min
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Middle East

Israeli family waits for remains of last hostage

Israeli family waits for remains of last hostage

ConflictsDecember 13, 202503:13 min
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North America

Videos of US immigration arrests swamp social media

Videos of US immigration arrests swamp social media

PoliticsDecember 13, 202505:02 min
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Latin America

EU ponders response to Venezuela-US conflict

EU ponders response to Venezuela-US conflict

PoliticsDecember 12, 202502:39 min
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