Politics

It's been 40 years since the controversial activist group Guerrilla Girls formed. Their most powerful campaign, the "naked poster", broke new ground – and has had a lasting influence.

With water fluoridation of drinking water under the spotlight in the US, we look at why some countries choose not to add the mineral to supplies.

As US President Donald Trump takes aim at the Smithsonian Institution for "anti-American ideology", Adam Rutherford examines what the science of genetics has taught us about race.

Recent changes by the Trump administration are affecting how US museums and institutions tell the nation's multicultural history to travellers.

With an American TikTok ban threatening the app, users and creators reflect on what it did for internet culture – and what their online worlds might look like without it.

Changes that begin in the ice at the tops of high mountain ranges are cascading down to lower altitudes.

TikTok was one of India's most popular apps – until it was banned in 2020. It's a lesson for what might unfold if a US ban goes ahead.

As countries negotiate a new global goal to raise climate cash, these five charts show why discussions are so fraught.